Subproblem
[计] 子问题
🗣️ 情景例句
I think you have got it, Richard.
我想你已完成了 ，Richard。
Devil must be driven out with devils.
以毒攻毒。
After consulting my railway timetable, I noted with satisfaction that there was an express train to Westhaven.
我查看了列车时刻表，满意地了解到有一趟去威斯特海温的快车。