示范答案：
Actually, technology has significantly improved the way we communicate with each other. On the one hand, it has remarkably lowered the cost of communication, with the smart phones in our hands. We can send texts or voice messages and make video phone calls without paying a dime. On the other hand, some new technological devices have revolutionized the way we socialize, cool products like VR can make the communications more vivid and really fun. That’s just amazing, don’t you think so?
