谢谢愚教授精益求精，同意，这里不用从句了！newton用了不定式，没有用从句，他的表达对吗？

来源: beautifulwind 于 2011-08-10 23:20:54 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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