视频对白：

Yeah, we both had the professor for "ethnicsand morality".
是啊，我们都上他的伦理道德课。
Yeah? So, why do you think he did it?
是吗，那你知道他为什么跳楼吗？
Who konws! He was tenured, wife and kids.
天知道，他有好工作，有妻儿。

今天我们要学习的单词是：ethnics

n.伦理学；[人类] 人种学

例句

This strategy works very well for ethnics as well.
这种策略在伦理学上也同样奏效。

This article is not intended to open old memory or to motivate sentiment among ethnics at all.
我写这篇文章绝不是为了揭开伤疤或者激发种族冲突的情绪。

于此相近的一个词是 ethnic 民族的，种族的，ethnic minority 少数民族。