携帯電話の普及とそれによって生じた新たな問題について

携帯電話の普及とそれによって生じた新たな問題について

「携帯電話の普及とそれによって生じた新たな問題について」
The cell phone has spread quickly in several years. Why did the cell phone spread like
this?
Firstly, it is improvement in the function of a cell phone. Even if it does not look for a
public telephone, it is the convenient point of a cell phone that you can telephone on
that spot. However, there were many inconvenient points, like there are many places
which cannot talk over the telephone at the beginning when the cell phone was put on
the market. A cell phone..



出処::レポートサイトHAPPYCAMPUS!