What was the most difficult day for you as Chief of Staff and the most joyous day, and the toughest assignment President Bush gave you?

作为白宫办公厅主任,最艰难的一天是哪天,最高兴的又是哪天，还有布什总统派给你的,最难的任务是什么？

普林斯顿公开课 - 国际座谈会课程节选

There's twenty-one days, there's thirty days, there's twenty-four hours. Now look at this!

有二十一天法,三十天法,二十四小时法,还有这个

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选