曆史上很長時間裏大一統中國是世界上最富裕的國家，而黑暗的一千年歐洲並不富裕。

來源: 老生常談12 於 2025-02-21 17:44:43 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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