So temperature in Fahrenheit maybe with a space, just to get the aesthetics to look a little interesting.

华氏温度可能用一个间隔来，使其更加美观和有趣。

哈佛公开课 - 计算机科学课程节选

For the simplest context in which one can motivate a vector and also motivate the rules for dealing with vectors, is when you look at real space, the coordinates x and y.

对于最简单的情况,我们能用矢量,以及相关的规则来处理的,是实空间,x-y 坐标系

耶鲁公开课 - 基础物理课程节选