So suppose,gruesome as it was,this weekend I'm in some horrible accident and my torso gets destroyed and they keep my brain on life support, oxygenating it just long enough to do some radical surgery into some spare torsos.

来做个可怕的假设，我在周末惨遭事故,肉体完全损坏，只剩大脑靠系统维持生命，持续补氧到能被高超手术植入另外的身体。

耶鲁公开课 - 死亡课程节选

I have the case where p = .2, so the probability of an accident is 20%.

假设这里的p等于0.2,也就是一次事故发生的概率为20%

耶鲁公开课 - 金融市场课程节选