Su used population of PRC in his reason as well.

来源: thrawn 于 2010-01-25 13:28:40 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (70 bytes)
本帖于 2011-01-08 08:16:39 时间, 由超管 论坛管理 编辑

PRC has 4 times or more population than US. So 四个直辖市 vs 1 is fine

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