回复：问了问

来源: 于 2011-10-21 05:30:54 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Most likely. Or at least I agree with you. Even in serious academical journals, there are a lot of typos.

(which is) followed ..., seems that "by" is still needed after the "followed".