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。

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.

youdao

美国人很难理解外国人总是想和另一个不喜欢独处的人在一起的想法。

Americans have great difficulty understanding foreigners who always want to be with another person who dislikes being alone.

youdao

如此说来，“外国人”一词在美国一直是相对而言的，因为除去美国土著的印第安人，所有美国人在某种程度上都是(或者曾经是)外国人。

In that sense, the meaning of the term "foreigner" in America has always been relative, because apart from the native American Indians, Americans are (or were) to some extent all foreigners anyway.

youdao

Because it represents foreigners investing in United States and that generates rates of return that effectively can generate that growth.

其实这和外国人在美国投资的道理是一样的,投资带来的收益，是由美国来埋单的,因而，实际上也同样导致了美国债务的增长。

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