教授是铁饭碗，但丢了不好再找。可遇到什么学生又不可预料，看来教授也是高危职业。

来源: 7Sle 于 2016-09-16 07:13:37 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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