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

來源: 煎餅 於 2010-11-02 23:12:31 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (17 bytes)
回答: you need to restudy the basic facts 由 null_pointer 於 2010-11-02 22:03:55

psychology

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