Complexities
n. 复杂性(complexity的名词复数); 复杂的事物
🗣️ 情景例句
No thanks. Maybe some other time.
不用了，谢谢。也许下次吧。
He'll always be indebted to you for what you've done.
他将总是为你做了的对你感恩。
We really need that material, you know.
你知道，我们急着需要那批材料。