我覺得長江中下遊的開發要遲於黃河流域，因為猛獸、蛇蠍、蚊子、和瘴氣導致的疾病阻礙向南的擴張。

來源: 空城之主於 2026-03-13 07:21:49 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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