Combinatorial problem
[计] 组合问题
🧩 词语组成解析
[计] 组合的
🗣️ 情景例句
I've seen a lot of people wearing runners lately. I guess they're back in fashion.
最近我看到很多人穿上了披肩，我看是不是披肩又流行起来了？
I didn't see Mr. Jones,but I saw John Smith.
我没看见琼斯先生，但是我看见了约翰·史密斯。
They are paid by the hour.
他们按时取酬。