就是這個意思。每個都是獨立事件，沒有統計上的相關性

來源: 北方豹於 2014-07-05 17:11:07 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.