疫期作樂，開個玩笑：大家都說哈佛，麻省理工在波士頓。其實在劍橋，與波士頓隔河相望。

來源: 漁夫1957 於 2020-11-25 12:16:39 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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