In the last 30 years, great changes have taken place in people's life. In our country, people's life becomes colorful and convenient because of the reform and opening up. Many products come into Chinese markets, so that we can drink Coco-cola and we can buy the haute couture of France. Besides, with the great development of science and technology, the communication between people has become very very simple and fast. Previously, we can only send letters or telegram, which is too slow and expensive. However, we can make a phone call, text a message, send an e-mail or even make a video call. They seemed to be unimaginale before, but now they all come into reality. Of course, there are many other changes in life. What changes in your life?