both are good for your purpose

来源: Iused- 于 2005-09-20 11:17:33 [] [旧帖] [给我悄悄话] 阅读数 : (161 bytes)

I used the red one. And I got my GC, my frined used the control number and he got his too.

It is not a big deal. They are uniquely related to each other.

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