你今天快乐吗？

来源: MarchMadness 于 2012-09-28 07:01:47 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

翁帆问杨振宁：你今天快乐吗？杨教授回答：我今天非常快乐

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