20年前就有這種說法了，還有書籍。

来源: 青柏于 2017-12-16 20:54:05 [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.