The favorite food in the United States is the hamburger. The favorite place to buy a hamburger is a fast food restaurant. At a fast food restaurant, people order their food, wait a few minutes, and carry it to their tables themselves. People also take their food out of the restaurant and eat it in their cars or in their homes. At some fast food restaurants, people can order their food, pay for it and pick it up without leaving their cars. There are many kinds of fast food restaurant s in the United States. The greatest in number sell hamburger s , French fries and so on. They are popular among Americans. Besides, fast food restaurant s that serve Chinese food, Mexica n ( 墨西哥的 ) food, Italian food, chicken, seafood and ice-cream are very many. The idea of a fast food restaurant is so popular that nearly every kind of food can be found in one. Fast food restaurants are popular because they reflect ( 反映 ) American lifestyle . Customers ( 顾客 ) can wear any type of dress when they go to a fast food place. Second, they are fast. People who are busy do not want to spend time preparing their own food or waiting while someone prepares it. In fast food restaurants, food is not expensive. Therefore, people often buy and eat at a fast food restaurant, while they may not be able to go to a more expensive restaurant very often. (231 words)