In fact, I'm going to use only two dimensions for most of the time because the difference between one dimension and two is very great.

实际上,大多数时候我只考虑二维的情况,因为一维和二维的差别很大

耶鲁公开课 - 基础物理课程节选

so it's about sort of war and peacekeeping and how you can prevent conflict and things like that.

内容就是关于战争，维和，还有如何防止出现冲突等等。

想进布朗的话 - SpeakingMax英语口语达人

Between two and three and four and so on is not very different.

但二维,三维和四维,以及其它维数间的差别就不那么大了

耶鲁公开课 - 基础物理课程节选

I'm in the process of applying to the Peace Corp.

我在申请维和部队。

为我的生活 - SpeakingMax英语口语达人