Running fast while fatigued forces your body to recruit muscle fibers that might otherwise go untrained.

在疲劳状态下快速奔跑会促使你的肌肉纤维得到增强，否则就得不到锻炼。

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But by the same token, there are a number of fast-growing carriers in the Middle East who have placed significant orders for aircraft and are also in the market to recruit pilots.

与此同时，一些中东地区买下很多飞机的公司也在扩招飞行员。

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To recruit candidates for the site provides a convenient, fast way to the candidates.

招聘网站为应聘者提供了方便、快捷的应聘途径。

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They acted fast, hoping to recruit chemists in Kalamazoo before they left town.

FORBES: Careers

The finance industry needs them, too: it is growing so fast that it is struggling to recruit and retain staff.

ECONOMIST: Finance in the Middle East