1、These days,smartphones are widely used around the world.The smartphones have already made a great effect on our lives.

2、Smartphones have great advantages.Many people use it to surf the Internet.Getting imformation is easier and easier by the smartphones.Nowadays,people use the smartphones widely as an important tool.

3、But smartphones have great disadvantages.There are so many people putting their heart on it.That makes people who are trapped in smartphones forget the real life.Expecially students,many of them give up all the things,even family,to be with their smartphones.

4、In a nutshell,the wars about smartphones take place every next second.We should use smartphones correctly.

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