艾伦和沃尔科维茨的研究挑战了普遍的说法——从事家务劳动的女性满足了她们的需要和偏好。

Allen and Wolkowitz's research challenges the common claim that homework-waged labor performed women worker's needs and preferences.

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这项研究挑战了关于金钱的古老格言。

So the study challenges the old adage about money—because maybe money can buy happiness.

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在从延迟与带宽的发展趋势中获益之前还有几个研究挑战需要我们面对。

Also, there are several research challenges to be addressed before we can reap the benefits of the latency and bandwidth trends.

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And scientists have been working on this for years and there's been progress, but it's still a very difficult challenge.

科学家们对此已经研究很久了,并取得了进展,但仍有很大挑战

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