"Since then they actually launched a charm offensive, a peace offensive, to the outside, I think they felt some pain coming from the implementation of the U.N.

VOA: standard.2009.12.08

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

We actually owe some of it to ourselves (confusing, I know), some to private U.S. citizens and some to other countries.

FORBES: Taxes From A To Z (2013): G Is For Government Debt

As a young man I thought I knew everything, and as a middle-aged man I still think I know everything but have allowed myself some subtle U-turns on things I once believed to be universal truths.

FORBES: Creative Awards: Vanity Or Sanity?

As I look around the room, I've got some new friends and I've got some folks who have supported me since I had just been elected to the U.S. Senate and who I've known for quite some time.

WHITEHOUSE: Remarks by the President at a Campaign Event