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

来源: billnet 于 2010-02-05 20:12:12 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (121 bytes)

oops, part of the line is clipped:

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

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