So more than doubling the risk can certainly site to the population Now these kind of results show how important it is to do studies that don't group everybody in the population together.

由图可见,发病率差异量超过一倍,这些研究结果表明,在研究过程中分组的重要性

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and there was a research that was done, and it was found that

一项研究的结果表明，

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She tried to study it and tried to figure out how it was that life insurance became more and more important over that century One of her conclusions was that life insurance seemed to be opposed quite a bit by women, nineteenth century women.

她试着研究这一现象,并试图揭示,在当时寿险的重要性,是如何获得人们的认可的,她的一项研究结论表明,女性似乎对寿险非常抵触,我是指19世纪的女性

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