不是和你开玩笑的, 真的, 你好象缺少基本的统计学知识

来源: leonlz99 于 2007-11-19 21:47:10 [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.