Now,a new study adds to evidence that non-smokers who live or work around smokers can experience psychological harm as well.

VOA: standard.2010.06.15

And we ask ourselves, ? would you want to live a life on the experience machine?

我们给自己提出了一个问题，你想在体验机里生活吗？

耶鲁公开课 - 死亡课程节选