小概率事件? Many people think QE3 are likely. 9/11 is 小概率事件.

来源: yma16 于 2012-09-13 17:43:59 [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.