And people are gonna have to learn about sablefish - which is a beautiful substitute for it, but yet it's not commonly known."

VOA: standard.2010.07.14

But again, attending to the slides is not a substitute for attending class.

但我要强调,看课件绝对不可能替代上课

耶鲁公开课 - 心理学导论课程节选

I don't know that I have an answer to this, but perhaps the Republic as a whole is itself a piece of this Socratic poetry that will substitute for the Homeric kind.

我不确定我对这有预备答案，但也许整部《理想国》,就是一部苏老式的诗学,用以取代荷马史诗。

耶鲁公开课 - 政治哲学导论课程节选