1. Not a problem. 2. Don't know what a problem it is.

来源: 屋漏痕 于 2010-04-06 10:31:25 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (79 bytes)

1+2 => don't know what the problems are => don't know what the solutions are.

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