及物动词
不及物动词
请客
点餐
请客
1. 午餐；午饭
Lunch is the meal that you have in the middle of the day.
2. （尤指在餐馆）用午餐，吃午饭
When you lunch, you have lunch, especially at a restaurant.
3. 天下没有免费的午餐
If you say there's no such thing as a free lunch, you are saying that most things that are worth having need to be paid for or worked for, and that you cannot expect to get things for nothing.