开卷有益，建议读该书。书中讲的帝国多是百年前的，Diversity is a modern concept

来源: 庐幽 于 2026-04-14 13:48:59 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (88 bytes)

and could not be the focus by Tang's or Rome rulers as matter of fact.

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