It goes without saying that taking exercises can build up our

physical strength. In collective sports like sketball, volleyball, or

football, we will learn the importance of cooperation. While taking part

in sports game, we will try our best to win and arouse urselves the

competitive spirit. Sports can also help us relax after a period of

exhausting work. However, as the saying goes, "there are two sides to

everything", and sports is without exception. We may hurt other players

or ourselves if we are not careful enough when participating in sports

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activities. What's more, excessive or severe training can do harm to our

health.

It is also a good way for people to know each other and can promote

friendship between people. So long as we are carefully enough, sports

can do us nothing but good.