Advantages and disadvantages of mobile phone
Mobile phone is now important communication tool,and we are inseparable,but.Everything is good or bad,mobile phone.Mobile phone can receive call speech information,can send text messages,such as mobile phone,but it is also very big,such as mobile phone radiation radiation on our body has a great impact,long time watching mobile phone will affect our vision,
So,this is the advantages and disadvantages of mobile phone
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