通信方式

随着信息技术的快速发展，通信方式发生了巨大的变化。从过去的书信、固定电话，到如今的手机、互联网通信，人们的沟通变得更加便捷、高效。手机不仅可以用来打电话、发短信,还能通过各种社交应用程序实现即时通讯，让人们无论身处何地，都能随时与他人保持联系。

参考译文：

With the rapid development of information technology, the mode of communication has changed greatly. From the past letters, fixed-line telephone, to today's mobile phones, internet communications, people's communication has become more convenient and efficient. Mobile phones can be used not only to make calls and send text messages, but also to communicate instantly through social applications, allowing people to communicate wherever they are. I can always keep in touch with others.