One possible version；
As we all know, more and more people own mobile phones in China. The number will reach up to a large amount.
People have found mobile phones very convenient. They can get in tough with each other wherever and whenever they are. There are many different functions for different needs, such as sending short messages and Surf the Internet. However, they may also bring us some trouble. For example, you will have to pay for a wrong number, and the radiation from the phone may do harm to our health. In spite of this, the number of people having mobile phones is still increasing fast
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