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

It's actually--our International Center for Finance is sort of a museum for defaulted bonds.

实际上,我们的国际金融中心,有点像违约债券的博物馆

耶鲁公开课 - 金融市场课程节选