（请扫盲）什么是公开？什么是外围？

来源: 433832795028 于 2011-01-03 10:48:52 [旧帖] [给我悄悄话] 本文已被阅读：次

我只赌过 office pool :)

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（请扫盲）什么是公开？ 什么是外围？