nub
n[sing]
the ~ of sth central or essential point of a problem, matter, etc (问题、 事情等的)中心,要点
The nub of the problem is our poor export performance. 问题的关键是我们出口贸易方面太差.
🗣️ 情景例句
I know a place that serves great fish 'n chips.
我知道有一个餐馆能吃到很好的鱼和薯条。
In college I majored in science, What was your major?