PPT要使劲，也不能使在半山腰上，那样费力不管用。必须在熊熊强弩之末，才可以二两破千斤。

来源: 6degrees 于 2018-12-22 14:16:23 [旧帖] [给我悄悄话] 本文已被阅读：次

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