They believe that there's a decent chance that they will die within a certain period of time.

他们相信自己在一段特定的时间后,有可能死亡。

耶鲁公开课 - 死亡课程节选

But wouldn't it be nice to just have a certain period of time every day when you didn't have to even have it be ? so much as a remote possibility?

但要是每天能有一段特定的时间,死亡对你来说,甚至连一个遥远的可能性都不是,那岂不是很好？

耶鲁公开课 - 死亡课程节选

It began to infiltrate other disciplines and was in general a high-spirited horse for that certain period of time.

它逐渐渗入到其它学科,总之是那个时代的一匹黑马。

耶鲁公开课 - 文学理论导论课程节选