论快餐(on fast food)
life pace moves very fast these days. people don't like to waste time on their breakfast and lunch except their business luncheon and family occasions. they always have their meals out of or in their offices. with this kind of new custom， fast food is getting more and more popular. you may rind mcdonald's， kentucky fried chicken， hainburger shops everywhere. in recent years， fast food rushes into chi
