Waiter: Welcome to our restaurant, sir!?
John: I'd like some noodles.
Waiter: We have egg noodles and beef noodles.?
John: I'd like beef noodles, please.
Waiter: Anything else?
John: No.?
Waiter: They are 20 yuan.
John: Here you are. By the way, I want to buy a book later.?
Waiter: Yes, there is. The bookstore is on Center Street. I will show you after the meal.
John: That's great! Thank you very much.
Waiter: .