The invention of Cellular phone

The invention of Cellular phone has enriched people's lives. Nowadays, you can get world information whenever and where ever you want. In addition, music, games, TV, and GPS functions are installed in cellelar phones. It makes our lives convenient.

As a result, some people concentrate on using a cell phone while walking or cycling, so they bump into other people. Sometimes the other parson is hurt or even dies.

However, there is no law against there actions. The only way to help stop the program is for us to pay attention when using a cell phone and have a sense ( molar) of how to use it.