Fast food

　　Fast food is becoming more and more popular in China , especially among children and teenagers .

　　There are several reasons for its popular . First , it is very convenient and saves a lot of time . You just go into a fast food restaurant , order your food , and your food is ready in time . Second , you can either eat it there or take it away . Third , the envronment of fast food restaurants is both clean and comfortable . Fourth , it has excellent service , and the quality of food is guaranteed . However , it terns of nutrition , IT is usually not a balanced diet and low in nutrittional value .

　　Fast food is only a good choice when you are in a hurry and turn to it once in a while . But for people , especially children , eat fast food as little as possible .