英语作文有关电脑的好处或坏处，开头和结尾要堪称经典的有吗？

I have a computer . I like playing computer very much.I think computer is good for us when we can use it rightly. When I study or work for a long time and I feel very tired, I can relax to play computer games. I can learn a lot of things happenign outside with the computer. I can listen to music and watch movies on computer. It's the most important for me to study with a computer. It helps me a lot study better .But playing too much computer is also bad for us. It's bad for our eyes when we work on the computer for a long time . It takes us too much time. It makes some lazy children not to study hard with their schoolwork.So I think computer is a good thing if you can use it at the right time.

开头as we all know, every coin has two sides ,just like using computers has advantages and disadvantages