We normally think of teaching as a synchronic process, you and I are in the same place and in the same time while we are learning, when in fact at least right now we are not.

我们通常设想教学是限于一时的过程，你我在同一地点,同一时间学习，但事实上至少现在就不是这样。

麻省理工公开课 - 媒体、教育、市场课程节选

This was very big in an ad campaign at least last year, I'm not sure if it still is, with the little butterfly.

它的广告宣传做得很大，至少在去年是这样的，我不确定它现在还是不是，它这里有一个小蝴蝶。

麻省理工公开课 - 化学原理课程节选

Well, not now My death can't be bad for me now I'm not dead But it's not 100% clear that the other alternative isn't acceptable "? Why not say,"My death is bad for me when I'm dead"?

至少不是现在,死亡现在对我来说没有坏处,我又没死,但另一种情况我们也不能百分百,确定是不可接受的,为什么不能说，“死亡在我死的时候对我来说是有坏处的？

耶鲁公开课 - 死亡课程节选