They make the markets work because if you didn't have this there would be all kinds of crooks and bad actors.

监管使得市场有序运行,如果缺乏监管,市场就会充斥着不法商人

耶鲁公开课 - 金融市场课程节选

You can use this for nefarious purposes.

你可以使用这个为不法的企图。

哈佛公开课 - 计算机科学课程节选

But again, if you think of the possibility of doing that for all eternity and never getting away from it, never being free from it, the positive dream of immortality, I think, becomes a nightmare.

但是想想如果永远,那样下去，永远不法逃离，永远无法解脱，永生的美妙梦想，就会变成恶梦。

耶鲁公开课 - 死亡课程节选