到汉唐就停滞不前了，所以宋朝很容易就被外族灭了

来源: fourwaves 于 2019-08-28 20:27:21 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.