Constraints
n. 强制( constraint的复数形式 ); 限制; 约束
🗣️ 情景例句
I'm sorry, but I've got to be on my way.
很抱歉，我必须走了。
A beggar's purse is bottomless.
乞丐的钱袋是无底洞。
No matter how many guests were present, the great house was always immaculate.
不管去多少宾客，大房子里总是收拾得干干净净。