犯一个错误，出现了严重后果。再犯一个错误来纠正前面的错误。犯错误的效率很高。

来源: 蒙得于 2015-10-30 09:20:49 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.