開個玩笑。我覺得這個角度很好，可以更直接地進入實質討論。經濟相對論太繞了。

來源: FarewellDonkey18 於 2014-01-03 11:42:11 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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