宋朝时候的海运非常发达。经济繁荣，好多外国人跑到中国来做生意，甚至还有移民定居的

来源: woth 于 2011-05-18 19:17:14 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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