只要设想一下有个建筑项目，要雇用大量劳动力，有什么是要顺利完成的，就清楚了。
Just think what you have to do successfully to build a structure, using a lot of labor.
有的480万小型企业雇用了58%的私营部门劳动力。
Some 4.8m of them employ 58% of the private-sector workforce.
外包公司提供劳动力套利，通过雇用廉价的印度人而不是昂贵的瑞典人来输入数据，他们也可以提供规模经济。
Outsourcing firms offer Labour arbitrage, using cheap Indians to enter data rather than expensive Swedes. They can offer economies of scale, too.
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