前进是波浪式的，上升是螺旋式的！退一步，进三步啊！

来源: Alabama 于 2012-11-20 18:57:01 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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前进是波浪式的， 上升是螺旋式的！退一步， 进三步啊！