生产这种产品的工厂那时大部分掌握在资本家手里。

Factory producing such goods is then mostly in the hand of capitalist.

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加入图形不仅是让学生更容易掌握信息的手段，也是社会科学家思考方式的一个组成部分。

Graphics are included not merely as a means of making the information easier for the student to grasp, but as an integral part of the way social scientists think.

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后来，加布里埃尔成为阿根廷 Corta 的一部分，为各个年龄层的人提供服务，以便他们能掌握找工作所需的技能。

Later, Gabriel became part of Argentina Corta, offering his services to people of all ages so they can build up the skills they need to get a job.

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