there is no basic fact in economics, maybe...there is one

来源: 煎饼 于 2010-11-02 23:12:31 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (17 bytes)
回答: you need to restudy the basic facts 由 null_pointer 于 2010-11-02 22:03:55

psychology

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