手机带来的不方便而且还加重经济负担，在课堂接听电话还影响学习也影响老师和其他同学，玩游戏或接发短信将无法集中学习，玩手机还会引起学生之间攀比，带来不好的影响
As we all known mobile phones are the main invention of modern technology.They are completely part of our daily lives If we look at our society,we can see that all kinds of people are using mobile phones.Maybe they have many advantages,but they also experience drawbacks.The main advantage of mobile phones is that people can use them anytime and anywhere,so they can use one for an emergency.in addition,people can access the internet whenever they use the mobile phones,so business people can use tem at work to get information from internet more convenietly Moreover,it is very easy to send messages to your friends.Mobile phones can make people keep intimacy in spite of long distance.Mobile phones are turning the world into a small vilage where we can commmunicate with each other easily and simply.Finally,another point in favour of mobile phonesis that you can avoid disturbing anyone when he is sleeping orworking because in that case people often turn off their mobile phones.
