两位社会学家理查德·阿鲁姆和约西帕·罗卡萨的研究明确说明了这一点。

This was made clear by the work of two sociologists, Richard Arum and Josipa Roksa.

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直到去年，德比尔斯公司生产了全球原石供应中大约40%的量，而阿尔罗萨公司生产了25%。

Until last year, De Beers produced about 40 percent of the global rough stone supply, and Alrosa 25 percent.

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罗森博格告诉蒙迪扎巴尔，阿莱霍斯曾打电话给他，警告他停止调查穆萨父女谋杀案，否则同样的事情也会落到他头上。

Rosenberg told Mendizábal that Alejos had called him and warned him to stop investigating the Musas' murders, or else the same thing might happen to him.

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