回复：【千年前中国之强大】中，城市人口乃一派胡言

来源: YanbeiYin 于 2014-02-09 14:38:29 [] [旧帖] [给我悄悄话] 阅读数 : (60 bytes)

Productivity in Europe was about 1-2% of Song Dynasty

请您先登陆，再发跟帖！