In Marx's theory of labor creating value, productive labor has double meanings.

马克思论述的生产劳动有两种含义。

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When the society enters the times of the intellectual economy, the labor creating value more and more rely on the new production factor such as science and technology, knowledge, capital etc.

当社会进入知识经济时代时，创造价值的劳动越来越依靠科技、知识、资本等新的生产要素。

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Creating the tart I wanted, one that recaptured my Paris experience, was not as labor-intensive as I thought it might be.

制作一个我想要的馅饼，那个能使我再次体验一番巴黎经历的馅饼，没有我原先以为的那样耗费体力。

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One major concern is that crowdsourced labor risks creating what Harvard Law School professor Jonathan Zittrain has called "digital sweatshops, " where workers who may be underage work long hours on mind-numbing tasks for very little money -- or, if the work is structured as a game, for no money at all.

WSJ: Small firms, Start-ups Drive Crowdsourcing Growth

Emerging markets are in a productivity boom and leveraging up, spending more and as a result creating squeezes in commodity and labor prices, creating a meaningful inflation problem.

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But the labor of a creating a person, particularly one who is moral and capable of living a meaningful life as Nozick requires, goes further.

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