没啥用。白人学了才有用，华人学了反而用处不大。哈哈。

来源: iBear 于 2018-12-06 10:25:29 [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.