做了十几年的consultant. 每个项目, 长短不一样, 有几天的,也有几年的.有专业的证书对客户来说很重要的.

来源: ca2004 于 2013-07-31 11:12:30 [旧帖] [给我悄悄话] 本文已被阅读：次

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