Experts in public health accepted this idea decades ago, but until now no one has been able to show that a woman's ability to read in itself improves her children's chances of survival.

几十年前，公共卫生专家就接受了这一观点。但到目前为止，还没有人能够证明女性的阅读能力本身就能提高孩子的生存几率。

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But until now you have not listened.

到如今你还是不听。

youdao

But until now nobody was quite sure how they did it.

但是至今也没有人能够确认它们是如何做到的。

youdao

But until now they were barred from submarines.

VOA: special.2010.05.21

But until now, most of these students have come from privileged backgrounds.

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But researchers say they did not have much scientific evidence of that -- until now.

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But until now officials had been unable to agree the terms of the law.

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But until now, we'd never had quality hands-on time with the 3.7-inch Gingerbread device.

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He plans to treat Ali but until now has only seen his future patient on television.

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