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Measuring forest ecosystem services in Aceh Province for inclusion to local forest resource management plans 测量亚齐省的森林生态系统服务,以便纳入当地森林资源管理计划
Pub Date : 2022-08-29 DOI: 10.30852/sb.2022.1910
J. Samek, A. Anhar, S. Maimunah, D. Skole
The project trained forest managers from Kesatuan Pengelolaan Hutan (KPH) and Social Forestry units in Aceh Province in forest resource data collection and the use of three tools that report important forest ecosystem services. Data were collected in systematic forest plots by local KPH staff and social forestry community members for measuring forest carbon, tree biodiversity and forest ecosystem health. Teams represented nine different forest ecosystems in Aceh Province, Indonesia. Average forest carbon estimates range from a low of 27.14 Mg C ha-1 in a coffee agroforestry system to a high of 446.93 Mg C ha-1 in a tropical forest area managed under social forestry. Tree biodiversity ranged from a low of one species as expected in a coastal mangrove forest to a high of 35 species in the tropical forest area managed under social forestry. Forest health conditions on average for the nine areas were mostly healthy, with a few noted in fair condition and one considered to be in poor condition. Resources provided at the local level would enable mainstreaming of field data collection for measuring these forest ecosystem services, and continued and expanded training should be considered to meet national demand.
该项目对亚齐省Kesatuan Pengelolaan Hutan (KPH)和社会林业单位的森林管理人员进行了森林资源数据收集和使用三种报告重要森林生态系统服务的工具的培训。由当地KPH工作人员和社会林业社区成员在系统的森林样地收集数据,测量森林碳、树木生物多样性和森林生态系统健康。小组代表了印度尼西亚亚齐省九个不同的森林生态系统。平均森林碳估计值从咖啡农林复合系统的27.14 Mg C ha-1到社会林业管理下的热带林区的446.93 Mg C ha-1不等。树木的生物多样性从沿海红树林预期的1种低到社会林业管理下热带林区的35种高不等。9个地区的平均森林健康状况大多良好,少数地区状况尚可,一个地区被认为状况较差。在地方一级提供的资源将使实地数据收集工作成为衡量这些森林生态系统服务的主流,并应考虑继续和扩大培训,以满足国家需求。
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引用次数: 1
Smart city indicators: Towards exploring potential linkages to disaster resilience abilities 智慧城市指标:探索与抗灾能力的潜在联系
Pub Date : 2022-08-05 DOI: 10.30852/sb.2022.1873
Ayyoob Sharifi
Recent advances in Information and Communication Technologies (ICTs) have transformed all aspects of human life. Enabled by these advances, over the past few decades, many smart city initiatives have been developed across the world. Subsequently, various efforts have been made to develop indicators and frameworks for the assessment of smart cities. Generally, smart cities are expected to enhance the quality of life and provide solutions to deal with societal challenges. One major societal challenge is the increase in the frequency and intensity of disasters and adverse events. Therefore, smart cities are expected to contribute to enhancing disaster resilience. Integrating resilience thinking into smart city indicators and assessment frameworks is likely to promote better attention to the resilience contributions of smart cities. Against this background, through reviewing the literature, I first introduce a comprehensive list of indicators for assessing city smartness. Multiple indicators related to economy, people, governance, environment, mobility, living and data dimensions of a smart city are listed. Next, I explore if these indicators are aligned with the four resilience abilities: planning, absorption, recovery, and adaptation. Results show that smart city indicators are particularly linked to planning and absorption abilities. More attention to the recovery and adaptation abilities is, therefore, needed.
信息通信技术(ict)的最新进展改变了人类生活的方方面面。在这些进步的推动下,在过去的几十年里,世界各地开发了许多智慧城市计划。随后,各方做出了各种努力,以制定评估智慧城市的指标和框架。一般来说,智慧城市有望提高生活质量,并为应对社会挑战提供解决方案。一个主要的社会挑战是灾害和不良事件的频率和强度增加。因此,智慧城市有望有助于增强抗灾能力。将弹性思维整合到智慧城市指标和评估框架中,可能会促进人们更好地关注智慧城市的弹性贡献。在此背景下,通过回顾文献,我首先介绍了一份评估城市智慧的综合指标清单。列出了智慧城市的经济、人员、治理、环境、流动性、生活和数据维度等多个指标。接下来,我将探讨这些指标是否与四种弹性能力相一致:规划、吸收、恢复和适应。结果表明,智慧城市指标与规划和吸收能力尤其相关。因此,需要更多地关注恢复和适应能力。
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引用次数: 1
Impact of biomass burning sources during the high season on PM2.5 pollution observed at sampling sites in Hanoi, Vietnam and Chiang Rai, Thailand 旺季生物质燃烧源对越南河内和泰国清莱采样点PM2.5污染的影响
Pub Date : 2022-08-01 DOI: 10.30852/sb.2022.1849
N. Luong, N. Chuersuwan, Hoang Tuan Viet, Bui Quang Trung
This study aimed to assess PM2.5 concentration and the potential impacts of biomass burning sources on PM2.5 measured at the sampling sites in Hanoi, Vietnam and Chiang Rai, Thailand during the high season (from January to April) in 2021 in which intensive biomass burning activities occur in Southeast Asia (SEA) region. For this purpose, an integrated approach of PM2.5 in-situ measurement, receptor and trajectory modelling techniques and satellite remote sensing was employed. Results showed that the average value of PM2.5 daily concentrations measured at the sampling site in Hanoi was higher than that at the sampling site in Chiang Rai during January–February (winter) periods. In contrast, the average value of PM2.5 daily concentrations measured at the sampling site in Hanoi was slightly lower than the counterpart at the sampling site in Chiang Rai during March–April (spring) periods. Elevated concentrations of PM2.5 measured in Chiang Rai during March–April periods were largely associated with intensive biomass burning activities in the SEA region. Positive Matrix Factorisation (PMF) receptor model-based source apportionment results indicated a larger contribution of biomass burning sources to the PM2.5 measured at the sampling site in Chiang Rai compared to that at the sampling site in Hanoi. Analysis of MODIS cumulative fire radiative power maps in the SEA region and three-day air masses backward trajectories arrived at the sampling sites in Hanoi and Chiang Rai further suggested the potential impacts of biomass burning sources on the PM2.5 measured at the sampling sites in Hanoi during the winter periods and in Chiang Rai during the spring periods.
本研究旨在评估2021年1 - 4月东南亚(SEA)地区生物质燃烧活动密集的高发季节(1 - 4月),在越南河内和泰国清莱采样点测量的PM2.5浓度和生物质燃烧源对PM2.5的潜在影响。为此,采用PM2.5原位测量、受体和轨迹建模技术以及卫星遥感相结合的方法。结果表明:1 - 2月(冬季)河内市采样点PM2.5日平均值高于清莱采样点;相比之下,3 - 4月(春季)期间,河内采样点的PM2.5日平均值略低于清莱采样点。3 - 4月期间清莱PM2.5浓度升高主要与东南亚地区密集的生物质燃烧活动有关。基于正矩阵分解(PMF)受体模型的源分配结果表明,与河内采样点相比,清莱采样点的生物质燃烧源对PM2.5的贡献更大。对东南亚地区MODIS累积火辐射功率图和到达河内和清莱采样点的3天气团后向轨迹的分析进一步表明,生物质燃烧源对河内采样点冬季和清莱采样点春季PM2.5的潜在影响。
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引用次数: 2
Spatial variability of nutrient sources determining phytoplankton Chlorophyll-a concentrations in the Bay of Bengal 决定孟加拉湾浮游植物叶绿素-a浓度的营养源空间变异性
Pub Date : 2022-07-30 DOI: 10.30852/sb.2022.1834
E. Siswanto, Md. Latifur Rahman Sarker, B. Peter
Primary production is a key marine ecosystem driver in the Bay of Bengal and is important for the societies and economies of the surrounding countries. Although the availability of inorganic nutrients is known to control primary production in this region, the specific nutrient sources that affect primary production in different parts of the bay have not been identified. In this study, we assess the importance of nutrients from different sources in determining chlorophyll-a concentration, an indicator of primary production, in the Bay of Bengal by conducting multiple linear regression of satellite-derived chlorophyll-a concentration, sea surface height anomaly, and sea surface temperature; modelled dust deposition; and in situ river discharge from 1997 to 2016. River-borne nutrients were important up to approximately 200 km from the coast. Deep-ocean nutrients influenced chlorophyll-a concentrations mainly in the south-western and western bay, whereas wind-borne nutrients were more important in the central and eastern bay. Any attempt to understand the impact of nutrients from a certain source should also consider the potential impacts of other nutrient sources. Although climate impacts on chlorophyll-a concentrations through river discharge were observed in our study, future studies should investigate climate-change impacts through atmospheric aerosols and mesoscale eddies.
初级生产是孟加拉湾海洋生态系统的关键驱动力,对周边国家的社会和经济具有重要意义。虽然已知无机营养物的可用性控制着该地区的初级生产,但尚未确定影响海湾不同地区初级生产的具体营养物来源。在本研究中,我们通过对卫星获取的叶绿素-a浓度、海面高度异常和海面温度进行多元线性回归,评估了不同来源的营养物质在决定孟加拉湾初级生产指标叶绿素-a浓度中的重要性;模拟粉尘沉积;从1997年到2016年的原位河流流量。河流携带的营养物在离海岸约200公里的地方都很重要。深海营养物对叶绿素-a浓度的影响主要集中在西南和西部海湾,而风载营养物对中部和东部海湾的影响更大。任何试图了解某种来源的营养物质的影响的尝试都应该考虑到其他营养来源的潜在影响。虽然我们的研究已经观察到河流排放对叶绿素-a浓度的影响,但未来的研究应该通过大气气溶胶和中尺度涡旋来研究气候变化对叶绿素-a浓度的影响。
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引用次数: 3
Energy and water footprints comparison of East Asia: A heterogeneity analysis 东亚地区能源和水足迹比较:异质性分析
Pub Date : 2022-06-01 DOI: 10.30852/sb.2022.1816
Zixia Ding, Xiaowei Feng, Yangyang Dong, Yujiao Xian
Population and economic growth have posed serious challenges to meet global energy and water needs. With the formation of global value chains and regional economic models changing the location and scale of environmental pressures, East Asia deserves special attention because of its importance in world trade. This paper constructed a global multi-regional input-output table based on the Global Trade Analysis Project (GTAP) 10 database and innovatively matched the energy and water databases to analyze the issues in 2014. The results show that in East Asia, (1) China is a net exporter and presents unique embodied energy characteristics with a trade deficit of 392Mtoe. Moreover, trade is the main reason for embodied energy and water in countries other than China. (2) The electricity sector, petroleum and coal products sector, and the services sector are the main sectors of embodied energy use, in which the latter accounts for 25.9% - 43.9% of the total embodied energy use in major countries. (3) Paddy rice sector and processed foods sector produce lots of embodied water for production and consumption, respectively. And the embodied water of processed foods accounts for more than 40% of major countries consumption.
人口和经济增长对满足全球能源和水需求提出了严峻挑战。随着全球价值链的形成和区域经济模式改变环境压力的位置和规模,东亚因其在世界贸易中的重要性而值得特别关注。本文基于全球贸易分析项目(GTAP) 10数据库构建了全球多区域投入产出表,并创新地将能源和水数据库进行匹配,对2014年的问题进行分析。结果表明:在东亚地区,(1)中国是能源净出口国,具有独特的隐含能源特征,贸易逆差为3.92亿吨油当量;此外,贸易是中国以外国家消耗隐含能源和水的主要原因。②电力部门、石油和煤炭产品部门和服务业是主要的隐含能源利用部门,其中服务业占主要国家隐含能源利用总量的25.9% ~ 43.9%。(3)水稻行业和加工食品行业分别产生大量的生产和消费用水。加工食品的含水占主要国家消费量的40%以上。
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引用次数: 0
Rainwater harvesting for enhancing upland agriculture: Lessons and experiences in selected upland farming communities in Albay Province, Philippines 雨水收集促进旱地农业:菲律宾阿尔拜省部分旱地农业社区的经验教训
Pub Date : 2022-03-18 DOI: 10.30852/sb.2022.1757
L. Landicho, R. D. Cabahug, Romnick S. Baliton, Alberto B. Gonzales
The upland farming communities in the Philippines are among the vulnerable sectors to climate change impacts. Their agricultural production is generally rainfed, and their farms are in marginal upland areas with steep slopes prone to soil erosion. Water scarcity is a common and perennial problem. To address the need expressed by the smallholder farmers, 11 rainwater harvesting facilities (RWHFs) were established in three upland farming communities in Albay Province, Philippines. The project team facilitated the establishment of RWHFs from two state universities, three local government units, and farming communities. Capacity development and participatory project planning and implementation were the important project approaches. This project generated several lessons. These include the essence of multisectoral collaboration, comprised of local government units, farming communities, and state colleges and universities; the value of collective action of farmers; effectiveness of cross-farm visits and on-site training; tapping locals for project monitoring; integration of sustainable land use management system to sustain RWHFs; and, the importance of resource sharing in carrying out project activities. The project experiences and lessons could be used as a reference by other development programs in replicating this initiative in other upland farming communities in the country.
菲律宾的旱地农业社区是易受气候变化影响的群体之一。他们的农业生产一般是雨养的,他们的农场在边缘高地地区,有陡峭的山坡,容易水土流失。水资源短缺是一个普遍和长期存在的问题。为了满足小农的需求,在菲律宾阿尔拜省的三个高地农业社区建立了11个雨水收集设施(rwhf)。项目小组协助两所州立大学、三个地方政府单位和农业社区建立了野生动物保护区。能力发展和参与性项目规划和执行是重要的项目方法。这个项目产生了几个教训。其中包括由地方政府单位、农业社区和国立学院和大学组成的多部门合作的本质;农民集体行动的价值取向;跨农场访问和现场培训的有效性;利用当地人监督项目;整合可持续土地使用管理系统,以维持河漫区;资源共享在开展项目活动中的重要性。该项目的经验和教训可以作为其他发展计划的参考,在该国其他旱地农业社区复制这一举措。
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引用次数: 1
Microplastics pollution in selected rivers from Southeast Asia 东南亚部分河流的微塑料污染
Pub Date : 2022-03-01 DOI: 10.30852/sb.2022.1741
S. Babel, A. Ta, T. Nguyen, Emenda Sembiring, T. Setiadi, A. Sharp
Microplastics have been found in all hemispheres of the world. However, studies on microplastics are mainly conducted in Europe, North America, and East Asia. Few studies are reported in the Southeast Asian region, where a large number of plastic waste is disposed of improperly into the water. This study investigated the abundance and characteristics of microplastics in the surface water of the Chao Phraya River (Thailand), Citarum River (Indonesia), and Saigon River (Vietnam). Samples were collected at urban and estuary zones of these rivers. The numbers of microplastics at the urban zones were 80±60, 12±6, and 68±20 items/m3 at the Chao Phraya, Citarum, and Saigon River, respectively. At the estuary zones, the numbers of microplastics were 48±8, 0±0 (0.08±0), and 42±5 items/m3 at the Chao Phraya, Citarum, and Saigon River, respectively. Microplastics with morphologies of fragments and fibres were mainly found in the rivers. Polypropylene and polyethylene particles were the most abundant in all collected samples. Since the selected rivers play important roles in water supply and aquaculture activities, the presence of microplastics in these rivers may negatively impact aquaculture and human health. Potential plastic management strategies to minimize microplastic problems in the selected rivers were also proposed in this study.
微塑料在世界的各个半球都有发现。然而,对微塑料的研究主要在欧洲、北美和东亚进行。东南亚地区的研究报告很少,那里有大量的塑料废物被不当地排入水中。本研究调查了泰国湄南河、印度尼西亚Citarum河和越南西贡河地表水中微塑料的丰度和特征。在这些河流的城市和河口地区采集样本。Chao Phraya河、Citarum河和Saigon河的城市微塑料数量分别为80±60、12±6和68±20个/m3。在河口带,湄南河、Citarum河和西贡河的微塑料数量分别为48±8、0±0(0.08±0)和42±5个/m3。碎片和纤维形态的微塑料主要存在于河流中。聚丙烯和聚乙烯颗粒在所有样品中含量最多。由于选定的河流在供水和水产养殖活动中发挥着重要作用,这些河流中微塑料的存在可能对水产养殖和人类健康产生负面影响。本研究还提出了潜在的塑料管理策略,以尽量减少选定河流中的微塑料问题。
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引用次数: 6
Integrated highland wildfire, smoke, and haze management in the Upper Indochina region
Pub Date : 2021-12-20 DOI: 10.30852/sb.2021.1704
K. Wanthongchai, V. Tanpipat, Prayoonyong Noochaiya, N. Sirimongkonlertkun, R. Macatangay, Lattana Thammavongsa, T. Oo, Sherin Hassan Bran, R. Solanki
Fire has long been used in Southeast Asia for the purposes of cooking, protection, and warmth. However, climate change and economic pressure have modified the life of locals, including fire practices in daily life and other fire uses. The land use of forest cover in highland area (mostly deciduous forest) has shifted to cultivation, with the application of slash-and-burn techniques. This results in frequent unplanned fires causing pollution in the form of smoke and haze. A zero-burn policy has been implemented to tackle this problem but such a policy may not be appropriate as people still need fire as a basic tool for agriculture land preparation. Moreover, the deciduous forest is a fire-dependent ecosystem to maintain its ecosystem. Frequent burning by local people or excessive government intervention in preventing fires can impact this ecosystem. In the highlands, shifting cultivation has gradually been replaced by rotational agricultural practice with a cycle of 2 to 5 years. However, the fuel load for a 2-year rotation period is only 0.25 tha-1 higher than that of a mixed deciduous forest. New fire risk maps classified according to forest types were produced for Thailand, Lao PDR, and Myanmar. We report that the mixing layer (ML) height in Chiang Mai Province was, on average, 500 m during March, with common occurrence of subsidence inversion resulting in further lowering of air quality during this month. A participatory process to develop a Community Based Fire Management (CBFiM) was undertaken and it was observed that a successful implementation would need a community with a strong leadership.
火在东南亚长期以来被用于烹饪、保护和取暖。然而,气候变化和经济压力已经改变了当地人的生活,包括日常生活中的火灾习惯和其他火灾用途。高原地区森林覆盖的土地利用(主要是落叶森林)已转向耕作,采用刀耕火种技术。这导致频繁的意外火灾,造成烟雾和雾霾形式的污染。为了解决这个问题,已经实施了零燃烧政策,但这样的政策可能不合适,因为人们仍然需要火作为农业土地整理的基本工具。此外,落叶林是一个依赖火的生态系统,以维持其生态系统。当地居民频繁燃烧或政府过度干预防止火灾会影响这一生态系统。在高地,轮作耕作已逐渐被2至5年的轮作农业实践所取代。然而,2年轮作期的燃料负荷仅比混交林高0.25 / 1。为泰国、老挝人民民主共和国和缅甸制作了根据森林类型分类的新的火灾风险图。结果表明,清迈省3月份混合层(ML)平均高度为500 m,沉降逆温频繁发生,导致该月空气质量进一步下降。开展了以社区为基础的火灾管理(CBFiM)的参与性进程,并观察到成功实施将需要一个具有强大领导的社区。
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引用次数: 0
Co-production of knowledge and transformative learning towards a sustainable Asia 共同生产知识和变革学习,以实现可持续发展的亚洲
Pub Date : 2021-12-17 DOI: 10.30852/sb.2021.1700
M. Indrawan, Dicky Sofjan
In Asia, sustainable development has yet to find its critical mass. Non-state actors have the opportunity to catalyse change by awakening their collective consciousness through mutual learning and shared experiences. Initiated by Chulalongkorn University in Bangkok and the Indonesian Consortium for Religious Studies (ICRS) in Yogyakarta, a civic engagement project—involving partners and networks in Southeast Asia and Japan—was created to capture sustainable development initiatives from the ground, with a view towards strategic policy advocacy for a more sustainable Asia. The project aimed to bridge knowledge gaps by bringing together all relevant state and societal stakeholders to learn from one another and share their experiences, stories and narratives about change and self-transformation. Through a series of workshops, focus group discussions (FGDs), NGO fora and mayors’ symposia since 2015, the project resulted in an accumulation of knowledge that has the potential to galvanise the various efforts to push the sustainable development agenda forward on the ground. The collaboration of many partners and relevant stakeholders overall met its intended outcome by generating an ad hoc centre for the co-production of knowledge on sustainability and a “transformative learning” (Mezirow, 1991) platform. This was achieved by acknowledging the existence of various systems of knowledge, disciplines, and occupations while appreciating the tacit knowledge and unique insights coming from all participating partners, including the mayors, regents and local officials, and their civil society counterparts.
在亚洲,可持续发展尚未达到临界规模。非国家行为体有机会通过相互学习和分享经验来唤醒集体意识,从而促进变革。由曼谷朱拉隆功大学(Chulalongkorn University)和日惹印尼宗教研究协会(Indonesian Consortium for Religious Studies, ICRS)发起的一个公民参与项目——包括东南亚和日本的合作伙伴和网络——旨在从根本上捕捉可持续发展倡议,以战略政策倡导的视角,实现更可持续的亚洲。该项目旨在通过将所有相关的国家和社会利益相关者聚集在一起,相互学习,分享他们关于变革和自我转型的经验、故事和叙述,从而弥合知识差距。自2015年以来,通过一系列研讨会、焦点小组讨论、非政府组织论坛和市长专题讨论会,该项目积累了知识,有可能激发各方努力,推动可持续发展议程在实地推进。许多合作伙伴和相关利益相关者的合作总体上达到了预期的结果,产生了一个关于可持续性知识共同生产的特设中心和一个“变革学习”平台(Mezirow, 1991)。这是通过承认各种知识、学科和职业体系的存在,同时欣赏来自所有参与伙伴(包括市长、摄政和地方官员以及他们的民间社会同行)的隐性知识和独特见解来实现的。
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引用次数: 0
Capacity building at community forestry level for synergistic implementation of NDCs’ adaptation and mitigation commitments 在社区林业一级进行能力建设,以协同执行国家自主贡献的适应和缓解承诺
Pub Date : 2021-11-12 DOI: 10.30852/sb.2021.1652
B. R. Shivakoti, F. Lopez-Casero, T. Maraseni, K. Pokharel
Conservation, restoration and management of forest resources are critical for addressing climate change. Nationally Determined Contributions (NDCs) are a vehicle for targeted climate actions, including those related to forest management, by countries towards contributing global efforts agreed under the Paris Agreement. Operationalizing climate action stipulated in NDCs requires adequate preparedness and capacity, especially at the local level. This paper suggests a comprehensive framework of capacity building targeting at the community forestry level based on the findings of capacity needs assessments carried out in Nepal. The framework outlines a method to develop capacity among forest communities so they can carry out integrated assessments of the outcomes related to sustainable forest management, mitigation, adaptation and the quality of governance. Further, it outlines the capacity needed for integrated planning and implementation to consolidate the assessment process and make progress in an adaptive manner. By filling the capacity gaps at the community forestry level in a comprehensive manner, countries can narrow the existing divide between local-level climate actions and upper-level (national and international level) policy priorities, which is the major barrier for translating climate commitments into action.
保护、恢复和管理森林资源对应对气候变化至关重要。国家自主贡献(NDCs)是各国为促进《巴黎协定》商定的全球努力而采取的有针对性的气候行动(包括与森林管理有关的行动)的工具。落实国家自主贡献中规定的气候行动需要充分的准备和能力,特别是在地方一级。本文基于在尼泊尔开展的能力需求评估的结果,提出了针对社区林业水平的能力建设的综合框架。该框架概述了一种发展森林社区能力的方法,使他们能够对与可持续森林管理、缓解、适应和治理质量有关的成果进行综合评估。此外,它还概述了综合规划和执行所需的能力,以巩固评估进程并以适应的方式取得进展。通过全面填补社区林业一级的能力差距,各国可以缩小地方一级气候行动与上层(国家和国际)政策重点之间的差距,这是将气候承诺转化为行动的主要障碍。
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引用次数: 0
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