I believe that and why do we need to have it as a basic premise of the course, '?" as opposed to change is illusive?"

我相信这一点，但为什么我们需要把它,作为课程的基本前提，而不说'改变是虚幻的“

哈佛公开课 - 幸福课课程节选

But I just need to realize that, you know, people are going to enjoy it.

但我只需要认识到一点，那就是人们会喜欢它的。

肉品市场区的作家 - SpeakingMax英语口语达人

If I had a third axis, I would draw a k, but we don't need that.

如果有第三根轴,我可以画一个矢量 k,但我们现在不需要它

耶鲁公开课 - 基础物理课程节选