The CBO projection is $7 trillion. The difference between the two estimates lies primarily in the fact that the CBO assumes the expiration of Bush administration-era tax cuts, while the White House is assuming that President Barack Obama will honor his pledge against allowing taxes to rise on families earning less than $250,000 a year.

VOA: standard.2009.08.25

We normally think of teaching as a synchronic process, you and I are in the same place and in the same time while we are learning, when in fact at least right now we are not.

我们通常设想教学是限于一时的过程，你我在同一地点,同一时间学习，但事实上至少现在就不是这样。

麻省理工公开课 - 媒体、教育、市场课程节选

while we do, in fact, have the wave function plots up here.

这里已经画了波函数，但看这些图时一个关键的地方。

麻省理工公开课 - 化学原理课程节选

We tend to look at human behavior as a matter of providing rational incentives for human action while most people, in fact, are driven by a need for esteem and a desire to avoid humiliation.

通常，我们倾向于以理性地分析其动机为标准,来看待人的行为是否正确合理,而其他人则是以赢得自尊和避免羞辱为标准,来判断一个人的行为是否合理。

耶鲁公开课 - 政治哲学导论课程节选