落后的根源不在聪不聪明，而在观念！，，

来源: llaotang 于 2013-10-11 17:23:48 [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.