The paper introduces the background of building environmental cash pledge system, and summaries the necessity and feasibility of building the system.
简介了构建环境押金制度的背景，论述了建立该制度的必要性和可行性。
The paper introduces the background of building environmental cash pledge system, and summaries the necessity and feasibility of building the system.
简介了构建环境押金制度的背景，论述了建立该制度的必要性和可行性。
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