"That is how the great depression deepened. That is a mistake we cannot afford to repeat."

VOA: standard.2009.04.01

The long-term fiscal challenge is largely a product of promises in our entitlement programs, medicare, medicate and social security that we have made the future generations that we cannot afford to keep.

长期财政挑战很大一部分原因,是我们承诺了很多津贴项目，我们承诺给下一代的,医疗保险和社会保险,而现在我们又没法兑现。

普林斯顿公开课 - 国际座谈会课程节选

"We cannot afford defeat in Afghanistan."

VOA: standard.2010.07.30