翻译语篇 阅读下面的短文，将文中的画线部分译成汉语或英语．

With the development of technology，smartphones are widely used among people.71．We can find many people playing mobile phones in the buses，restaurants and supermarkets． We call these people Phubbers（低头族）．

Many teenagers spend too much time playing games，listening to music and sending messages to their friends on the phones.72．他们没有足够的时间来学习． Some teachers complain that their students get worse grades than before．73．Playing mobile phones too much is not only bad for their study but also their health． The more they play mobile phones，the more tired they will feel．Some students have to wear glasses，because they play smartphones too much.74．So some teachers don't allow the students to use mobile phones at school．

We often see many phubbers using their mobile phones on the streets．It's really dangerous．75为什么不远离你的手机呢？You should study hard and take part in more outdoor activities instead of playing mobile phones in your free time．

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