How long is NC valid?

来源: selang1999 于 2007-03-07 18:54:57 [] [旧帖] [给我悄悄话] 阅读数 : (98 bytes)

Does NC have expiration date? A friend of mine told me NC is only valid for 18 months, is it true?

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• 好象是有一定的有效期的 -大卷草纸- ♀ 给 大卷草纸 发送悄悄话 (0 bytes) () 03/07/2007 postreply 19:23:26

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