必须的，那样才有用。细的好处是很多人都能操作，坏处是缺乏灵活性，适应能力差，不易举一反三

来源: ENTP 于 2019-08-14 10:11:15 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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