回复：the motive of writing this book fluctuates (changes) with the

来源: 于 2010-02-05 20:12:12 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

oops, part of the line is clipped:

the motive of writing this book fluctuates (changes) with the keying of words.