基本解释[經濟學]人口反淘汰英汉例句雙語例句The adverse selection of population quality of China is not only the research object of many subject, but also is arguing focus of academe.中國的人口素質逆淘汰問題不僅是多學科的研究對象，而且是學術界爭論的焦點。population adverse selection更多例句专业释义經濟學人口反淘汰