美国政界人士很难意识到，通过增进国际了解，招收更多的外国学生可以极大地促进国家利益。

American politicians have great difficult recognizing that admitting more foreign students can greatly promote the national interest by increasing international understanding.

youdao

So, today, what do you think are the greatest national security threats or threats to America's interests.

现在，您认为,什么会严重威胁美国国家安全,威胁美国国家利益。

普林斯顿公开课 - 国际座谈会课程节选