Friends play an important part in our (life). Though we may take friendship for granted, we often don't clearly understand we make friends. While we get on (good) with many people, we are usually friends with only a few—for example, per student usually (have) about 6 friends. In all the cases of friendly relationships, two people like one another and enjoy (be) together. fact, as we get to know people, we take into account things like age, race, economic condition, social position, and intelligence. Although these things are not of great (important), is more difficult to get on with people when there is an obvious difference in age and background. Compared with marriage, there are no friendship ceremonies to (strong) the connection between two people. But the mutual（彼此的）understanding that results from common experiences and emotions does seem to create a powerful bond, can overcome difference in background, and break down barriers（障碍）of age, class and race.
