A new study in mice may help to explain why hunger can feel like such a powerful motivating force.

一项在老鼠身上进行的新研究或许能帮助解释为什么饥饿能给人带来如此强大的动力。

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They found that benign envy was a powerful motivating force.

他们发现良性嫉妒是一种强有力的推动力量。

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The motivating force and soul behind the Games is above all, the Olympic volunteers.

奥运会幕后的推动力量和精神就是奥运志愿者。

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Dermatologists said vanity is a strong motivating force when it comes to sunscreen use.

WSJ: Sunscreen Each Day Stops Wrinkles

Coal is to China as oil is to America, the motivating force of the economy.

FORBES: Quarter-Century Mark

Intel, which was a primary motivating force behind PCs, has forged its own chips from the beginning.

FORBES: How Knitting Gets Done In The Silicon Biz