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本文获中国社会保障论坛首届年会论文一等奖,因原文较长,编者进行了节选和编辑处理,文章标题为编者所加。
This article won the first prize of the first annual conference of the China Social Security Forum. Due to the long text, the editors conducted excercises and edits, and the title of the article was added by the editors.