The question of price. Are the students satisfied with the price [of course, many students think it is expensive, as long as 40% people say it is ok]

2

Service problem. Good service is the guarantee to increase sales.

three

The dining environment in the canteen. A good dining environment is a major criterion for students to choose a dining place.

four

Students' constructive opinions on the canteen will help you understand some special needs of customers and students. ..

There seem to be a few problems. I hope it helps you.