火车、地铁、公交车内的“低头族”越来越多，尤其是青年人，上车后很快拿出手机，不管路程长短，不论坐着还是站着，人人都眼睛盯着屏幕，有的人走路也在看手机…… 针对这一现象 ，发表你的看法。

  注意：1.行文连贯流畅；

2.参考词汇：低头族：phubber 

3.词数：100词左右 

【范文】

    The mobile phone has been part of our life. Mobile phones bring us much convenience. However, more and more phubbers, especially young people, would like to stare at their screen, surfing or playing games, no matter whether they are on a bus or a train, and no matter how far the journey is. And even they will not miss the chance to surf the in internet when crossing the street. They never care about what happened around.

    As far as I am concerned, phubbing on a moving bus does harm to their eyes. Besides, phubbing is also dangerous while crossing the street. Wish phubbers hold up their heads to enjoy surroundings.