Knowledge labor has great ability of creation and it can create much more value than common labor in the same hours.

智力劳动具有很强的创造价值的能力，和普通劳动相比，它在同样的时间里能创造大得多的价值。

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

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。

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S. states, European countries weren't part of a single nation with a unified budget and a labor market tied together by a common language.

跟美国不同，欧洲国家并不是一个单个国家的一部分，不存在统一的预算和由一种语言连接在一起的劳工市场。

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But George Haley at the University of New Haven in Connecticut says labor unrest is common.

VOA: special.2010.06.18

The idea that if labor is left free then that common man always has a chance.

这个观点表明如果劳动是自由的,那么平民始终有希望

耶鲁公开课 - 美国内战与重建课程节选

Access to a Caesarean section to relieve the pressure of obstructed labor is the most common way of preventing an unborn child from pressing so tightly in the birth canal that it cuts off blood flow to surrounding tissue.

VOA: standard.2009.12.23

Technologies are joining brainpower and sometimes muscle from around the world into a common labor pool.

FORBES: One Worldism

It is also common to see Labor Day leads shrink dramatically in presidential races or even disappear.

CNN: Stay tuned for another swing in the campaign

Other common waiver recipients were labor union chapters, large corporations, financial firms and local governments.

FORBES: Twenty Percent of New Healthcare Waivers Are In Nancy Pelosi’s District