It cited statistics from the student and Exchange Visitor Program, a Department of Homeland Security unit that tracks foreigners in the US on student visas and the schools they attend.

数据援引自国土安全部中负责中学生和交流访问者项目的一个部门，这个项目跟踪外国人在美国的学生签证和学习学校的统计数据。

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This home page and the pages it links should be viewed as a resource; they are not intended as a replacement or substitution for the Exchange Visitor Program regulations,.

本主页极其相关链接可被视为一种资源，但是不能替代交流访问者项目的规定。

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