My friend thinks the opposite. He said,

来源: 于 2011-09-28 07:26:18 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

俺一直认为，不读博士不一定行，读博士是肯定不行。

不只是waste time，从一个bad博导和他的团队那里学到的东西是worse than无价的。

 

What you and my friend have in common is the preference of using 肯定 and not knowing what 行 or 不行 means.

To wake up sooner, define 行 in less than 1000 words.