the telephone is one of the most welcome and useful inventions. no wonder more and more families have got to use their own telephones today.

　　the telephone makes things easy in many ways. especially, after the mobile telephone appears, communication becomes easier and rapider. to students and people going out for business far away from their homes, the telephone can shorten the distance between them and their families.

　　thus they will get comfort whenever they are homesick or they run into trouble. with the help of the telephone, people can keep in touch with anyone at any time and in any place for urgent help.

　　all in all, the telephone is so helpful that we can say that nowadays we can not live without the telephone in our daily life. we will further improve the performance of the telephone so as to create better conditions for its development.