One of these classrooms in this building in another classrooms again is flat classrooms with thirteen tables and a lot of nice space between them.

这栋楼里的一间教室,是另外一种教室,有13张桌子的扁平型教室,之间还有足够的空间。

麻省理工公开课 - 媒体、教育、市场课程节选

When we do relativity, we'll be dealing with vectors in space-time and we'll find that different observers disagree on what is this and what is that.

我们学习相对论的时侯,会涉及到时空矢量的问题,我们会发现观测者们对于观测的结果,有着不同的看法

耶鲁公开课 - 基础物理课程节选

Programmers often write TODO with no space, all caps like this which means "I have to do something here."

程序员通常写TODO不使用空格，像这样的大写意思是“这里我需要做些事情“

哈佛公开课 - 计算机科学课程节选