here comes from google:

本帖于 2010-09-28 08:04:20 时间, 由超管 论坛管理 编辑
回答: common sense: google it. hehe.nocomments092009-07-10 20:15:25

你给讲讲如何测量和计算?
You talk about how to measure and calculate?

common sense个头!
head common sense!

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