疫期作乐，开个玩笑：大家都说哈佛，麻省理工在波士顿。其实在剑桥，与波士顿隔河相望。

来源: 渔夫1957 于 2020-11-25 12:16:39 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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