Now, assuming that we trust the government-- I think the U.S. Government has never defaulted on its debt-- we'd take that as a riskless return.

假设我们信任政府-,假设美国政府从未拖欠债务-,可以把它当作无风险回报。

耶鲁公开课 - 金融市场课程节选

You have written a book, heart of the press, THE IDEA THAT IS AMERICA Keeping Faith with Our Values in a Dangerous World The book is about post-911 America.

您写的一本书现在已经成为媒体的焦点，书名，暂无中文译名,书名小标题,这本书主要关于911后的美国。

普林斯顿公开课 - 国际座谈会课程节选

The U.S.was certified free in the early '70s, years before that.

美国在七十年代早期就确认已无天花

耶鲁公开课 - 生物医学工程探索课程节选

That a free laborer is a mobile laborer, especially in a society like the United States that had this thing called The West, the limitless apparently to them anyway--boundless West.

自由劳动者是流动的,尤其处在美国这样的社会,有他们所说的广袤的西部,特别对他们来说,无边际的西部

耶鲁公开课 - 美国内战与重建课程节选