The adverse selection of population quality of China is not only the research object of many subject, but also is arguing focus of academe.

中国的人口素质逆淘汰问题不仅是多学科的研究对象，而且是学术界争论的焦点。

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The adverse selection of population quality of China is not only the research object of many subject, but also is arguing focus of academe.

中国的人口素质逆淘汰问题不仅是多学科的研究对象，而且是学术界争论的焦点。

youdao