It seems like magic that a fleshy lump of gray, disgusting meat can give rise to these feelings.

这就像魔术一样,一堆灰色的,恶心的肉团,居然能产生如此丰富的情感

耶鲁公开课 - 心理学导论课程节选

But what we will find is, it's more convenient to lump these two numbers into a single entity, which is called a vector.

但我们会发现,将两个数值看作一个整体会更方便,我们称之为矢量

耶鲁公开课 - 基础物理课程节选