Nub
n. 小块, 瘤, 结节, 要点
✅ 同义词
📖 牛津释义
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
Don't put all your eggs in on basket.
不要孤注一掷。
It is dogged (that) does it.
天下无难事，只怕有心人。
And this is Chang-woo.He's Korean.
这位是昌宇。他是韩国人。