How much time do you spend on social media? What are some benefits of having social networks in our lives? What are some drawbacks? What type of information should you include in your social network? Let's find out, share opinions and discuss.你每天花多少时间在社交媒体上？社交网络的出现为我们的生活带来了哪些便利和麻烦？玩转社交平台时，哪些信息你可以分享？快来说说你的想法吧。