Majorant
强[控制]函数, 优函数
🗣️ 情景例句
Can you tell me where the campus library is located?
能告诉我校图书馆在哪儿吗？
Let's go. I'll buy you a drink.
走，我请你喝一杯！
He has never borrowed money from me.
他从未向我借过钱。