According to a study by Pennsylvania State University, returns to investment in human capital are much lower in rural areas than in urban ones.

根据宾夕法尼亚州立大学的一项研究，在边远的农村，人力资源投入的回报要远远低于城市。

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Their children's human capital (skills and so forth) will depend on investment in education and research today.

他们子孙后代的人力资本（技能等）将取决于今天的教育和研究的投入。

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Perhaps even greater is the investment your donated rice makes in hungry human beings, enabling them to function and be productive.

也许更重要的是因为你的捐助，让饥饿的人们恢复活力能够投入生产。

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The importance of such human investment is also dawning on an unlikely business sector: China's threadbare state-owned enterprises.

CNN: ASIANOW - TIME Asia | Business: Leadership Deficit

Capital both human and investment is highly mobile, and it migrates all the time to the places where the opportunities are larger and the burdens are lower.

WSJ: Review & Outlook: The Lone Star Jobs Surge

In order to integrate MapReduce, most enterprises need to develop an entirely new skill base, and the human capital investment will quickly outweigh the infrastructure investment.

FORBES: The Big Cost Of Big Data