As everybody knows,mobiles are playing an important part in our daily life nowadays.But they have both advantages and disadvantages in my opinion. Having a mobile phone has some excellent advantages.Above all,convenience is the most important one in people’s life.People can instantly match movies,read e-books and communicate with friends easily while using smart phones.Afterwards,with the emerge of various applications,we grasp many spare time. However,some disadvantages of using a mobile phone cannot be ignored.The most harmful one is that it is of much danger for us to use it when we are working or driving.Besides keeping eyes fixed on the screen for a long time especially before failing asleep will do great harm to people’s eyes.And the suddenly sound of phones may cause both embarrassment and disturbance. So it is advisable for us to use phones under control. 本文来源:https://www.wddqw.com/doc/9cfa2193336c1eb91b375d5e.html