Zhang: Let's go to the McDonald's. I treat .
Cheng: Really. That's wonderful! 
Waiter: Yes, sir. What would you like? 
Cheng: A hamburger, chicken, a hot dog and a glass of juice. 
Zhang: An apple pie, salad, an ice-cream. 
Waiter: Is this to go or to eat here? 
Zhang: We'll eat here. 
Waiter: That's thirty eight dollars. 
Zhang: Here you are.