基本解释[经济学]人口反淘汰英汉例句双语例句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。population adverse selection更多例句专业释义经济学人口反淘汰