more detail,please
所有跟帖:
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Let A be the number of bosses you had worked with.
-屋漏痕-
♂
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11/24/2010 postreply
10:13:32
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等於沒回答!我不是問你概率。真是漏子!答飛所問。哈!
-linearvib-
♂
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11/24/2010 postreply
18:04:48