Subproblems
(subproblem 的复数) [计] 子问题
🗣️ 情景例句
The advanced exercise class is not so easy, huh?
高级健身班不是那么容易吧， 对不对？
My watch is two minutes fast.
我的表快了两分钟。
What happened to me?
我出了什么事？