And I think many parents believe that if they didn't persist in using these things their children would never learn to speak.

我相信很多父母认为,如果他们不坚持使用这些东西,他们的孩子将永远也学不会说话

耶鲁公开课 - 心理学导论课程节选

just 'cause you will never know what you're going to get.

就因为你永远也不知道在那里会有什么。

圣莫妮卡和洛杉矶 - SpeakingMax英语口语达人

Now, you could look at adult zebras all day long and you're never going to figure this out.

就算你整天盯着成年斑马看,也永远都找不出答案来

耶鲁公开课 - 心理学导论课程节选

I used to read it, but I could never get through it--terrifying.

我从前有读到这些,但我永远也读不下去,太残忍了

耶鲁公开课 - 1871年后的法国课程节选

Why would anyone ever risk one's life for ? one's country or a cause just to help other people, people that we don't know and probably will never know?

为什么人人都要为自己的国家或者,去救人的缘由而冒险，并且这个人我们不认识,可能永远也不会认识？

耶鲁公开课 - 政治哲学导论课程节选