Years of reform and opening up to the outside world have witnessed an increasing popularity of telephones in China. Telephones have entered ordinary households as a daily necessity. In many public places telephone service is available. More people are equipped with cellular phones(手机) and beepers(传呼机).
Telephones reach out to users for their advantages, Dial-and talk operation makes common folks have access to them. Compared with letter writing, telegraphy and other means of communications (通讯), making phone call is easy and interactive(互动的). In case of emergency, urgent message can be sent out immediately.
Telephones are indispensable (不可缺少的) to communication (交际，沟通) between people. As a clear path of communications, making phone calls connects people when they are apart. Telephone lines not only convey information but also glue all relationships. With this convenient tool of modern communication, people may be out of sight, but never out of mind.
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