没见到有关研究。主观觉得应该没有多大影响。

来源: 吃与活于 2015-06-22 12:03:10 [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.