那麽就需要思考為何劣等的文明可以變好了。同樣，您也就知道為何優等的文明能夠退化了

來源: nWAY 於 2014-03-11 18:39:19 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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