奴隸國家GDP可能更高？舉個例子，那個奴隸國家經濟發達超過中國漢唐宋明的？

來源: CinYon 於 2013-01-27 11:44:22 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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