老狼引用的图表和文章，恰好证实了你是对的，而他是错误的。平均压力是－越远越低。

来源: 御用文人于 2015-06-17 13:07:21 [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.