Can I get a refund if the restaurant service is slow?

Now, if the service speed of the restaurant is particularly slow, you can get a refund, because you know, if you are really dissatisfied, as long as you haven't eaten the other person's food, as long as the other person's food hasn't been served, you can choose to get a refund when you get to this table. There is no problem in choosing not to eat, because generally speaking, when you eat in a restaurant, you will give money first, so generally speaking,