以为是5年或者更久的数据呢。那么短，都不是大问题吧。

来源: needtime 于 2017-06-28 08:16:29 [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.