Computer was invented in the 20th century, is now one of the most important inventions, it is used more and more widely. However, it has advantages and disadvantages. Lee: it is widely used in various fields, we have more conveniences, computers can also be used to find information, shop online to chat with friends, and so on; there are disadvantages: many students are addicted to online games no learning, thus giving rise to many social problems, there are more and more people became a bow ... ... So please people with the right to use a computer!
正在翻譯中..