I'm not going to have you work long hours on difficult problems to be submitted and then graded.

我的作业不会让你们花费大量的时间,去钻研很难的问题，然后交上来让我打分。

麻省理工公开课 - 固态化学导论课程节选

And if they're a premade salad then it would be even more difficult because you're not constructing it yourself, so it's hard to uses based on these sort of things.

如果那是预制色拉,就更麻烦了,因为那不是你做的,就很难进行统计

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Whether it gets outweighed easily, or whether it's very, very difficult and the contents have to be horrible to outweigh it, depends on how much value you think being alive per se has.

不管是轻易被超越，还是它很困难被超越,还是生活内容要非常糟糕才能超越它，这取决于你认为生活本身有多少价值。

耶鲁公开课 - 死亡课程节选