宋朝刚开国没几代就签了澶渊之盟了，明朝开国的时候把元人赶到沙漠里，怎么解释？

来源: jin_yin_hua 于 2020-01-03 17:40:36 [旧帖] [给我悄悄话] 本文已被阅读：次

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