没有control。也就是没有对照。呵呵。这就是为啥普通人很容易被数字愚弄。

来源: 知人知面于 2015-05-24 14:40:19 [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.