智能手机在最近几年的发展速度可谓相当快,普及率又高,而且无论在功能和性能方面都十分出色。特别是影音播放的性能上,智能手机有着取代随身听的趋势。所以现时无论在大街或地铁、公交车上都能看到很多年轻人戴着耳机,使用智能手机来听音乐、看电影和玩游戏。因此,智能手机的发展给他们带来了很大的商机。而 Smartphones have been growing quite fast and have high penetration rates in recent years, and are excellent both in terms of functionality and performance. In particular, the performance of video playback, smart phones have replaced the trend of Walkman. Therefore, at present, young people in the streets, the subway and the bus can see many young people wearing headphones and using smartphones to listen to music, watch movies and play games. Therefore, the development of smart phones has brought them great business opportunities. and