Many reasons, in my case, it happened because

来源: 屋漏痕 于 2010-02-04 12:29:27 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (66 bytes)
回答: 有. 由 屋漏痕 于 2010-02-04 12:10:31

They forgot.
They are liers.
They lost my number.
...

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