第一章：简要说明选题背景、研究目的和意义、研究思路和内容、研究方法和数据来源。
Chapter 1, The brief elucidation of research background, methods and data sources, research purpose and research contents, research logic.
本文通过对目前国内外企业节约能力和节约途径研究的现状分析，提出了本课题的研究思路和内容。
The paper brought forward the research ideas and content by the analysis on saving capacity and approaches for domestic and foreign enterprises.
首先，本文总结了国内外国际贸易中污染问题的研究进展，指出了现有研究的不足之处，并在此基础之上提出本课题的研究思路和内容。
Firstly, by way of summarizing the pollution problem in international trade and pointing out the deficiencies of current study, the article brought forward its research content.
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