What about the previous studies?

以前的研究是怎样的呢？

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In chapter one, we review the previous studies and understandings about metonymy.

本文第一章回顾了以往对转喻的研究。

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Chapter one gives a literature review of the previous studies related to this phenomenon and their achievements and limitations.

第一章介绍了到目前为止，国内外对于有意曲解这一语言现象的研究和论述，并做出作者的评论。

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To sort out the confusion, Hashibe and her colleagues used statistical techniques to, in effect,make one big study out of the previous smaller studies.

VOA: standard.2010.06.30

And the previous studies have really found that African-Americans and Hispanic and Latino populations were more likely to feel this way.

NPR: Confronting Misconceptions About Cancer Prevention

They argue that the previous studies were flawed because they were too small, and had relied on information about smoking habits from people other than the sufferers themselves.

BBC: Smoking 'does not prevent Alzheimer's'

But then sales dropped just as quickly after studies combed together the results of previous studies and showed that Natecor seemed to boost the risk of death.

FORBES: AHA 2010