He kept the glasses in case his vision should ever become dim.

以防视力下降、两眼昏花,他还带了眼镜，“

耶鲁公开课 - 1945年后的美国小说课程节选

So if you ever have a chance to go there, you should definitely go there.

所以，如果你有机会去那儿，你一定要去。

正在准备庆典 - SpeakingMax英语口语达人

This is where, the way that we should start every problem set or ever problem.

这是我们,解决任何问题的最初一步。

麻省理工公开课 - 热力学与动力学课程节选

Well, should we conclude, therefore, so nobody really believes that they're ever in dreamless sleep?

那么我们就应该得出结论，没有人真正相信,他们可以进入无梦的睡眠么？

耶鲁公开课 - 死亡课程节选

If ever there was a time and place for thinking about the facts of death and how it should influence our life, it's right now, in a class on death.

如果有时间和地点去考虑,那些死亡的事实和它如何影响我们的生活，那就是现在，在有关死亡的课上。

耶鲁公开课 - 死亡课程节选