"There's no right or wrong answer with regard to 'What's a good cup of coffee?'

VOA: special.2011.02.11

Because there's probably no right answer here, but why might this approach be better? Yeah?

因为这里没有一个固定的答案，但是为什么这个方法更好点呢？，你说？

哈佛公开课 - 计算机科学课程节选

Well, maybe the answer is there's no particular time at all when I killed him But for all that, it's true that I killed him ? What makes it true that I killed him?

也许答案是,我什么时候杀死他根本没有确切的时间,尽管如此，我杀死他是真的,为什么我杀死他是真的？

耶鲁公开课 - 死亡课程节选