"I would not get into specifics, but what I understand is that people who have been arrested are U.S nationals, but some of them of Pakistan origin, some of them of other descent.

VOA: standard.2009.12.11

I'm going to give some U.S. tax rates.

我来罗列出一些美国的税率

耶鲁公开课 - 金融市场课程节选

I heard that there are some secret communities in U.S. universities. How about Yale?

我听说在美国大学里有一些秘密的社团，耶鲁大学有这样的社团吗？

耶鲁对比哈佛 - SpeakingMax英语口语达人