回复：不到一分钟最好。 3分办确实有点长。

来源: 于 2013-05-14 20:43:14 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次
I need to cover strategy, planning and implementation.  recalled at B-school they said SAR should be less than 3'