you should be proud of yourself. You passed SAS in a single

来源: 于 2010-02-17 20:39:08 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

try. sometimes we may not be 100% sure if the thing we plan to work on is 100% worth our time.
But don't think too much about anything right now. Take a good rest.