The fact that comparative advantage of an activity displaces that of the other one could moderate the conflict of ______.
题目
The fact that comparative advantage of an activity displaces that of the other one could moderate the conflict of ______.
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参考答案和解析
正确答案:labor markets and regulatory systems labor markets and regulatory systems 解析:此处需填入名词性成分。题干中的comparative advantage of an activity displaces that of the other one与原文中comparative advantage shifts rapidly from one activity to the next语义相近。另外题干中moderate the conflict与原文中less friction属于同义转述,因此其后的内容labor markets and regulatory systems就是本题答案所在。