所以啊，这种不稳定的样本，应该排除掉。

来源: 布兰雅于 2013-08-07 06:57:30 [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.