Everything has two sides,so the modern technology also has its advantages and disadvantages.
First of all,it makes our life more convenient.For example ,buses save up us a lot of time.
Besides,it provides us more safe food just like "green food".
What's more,it makes us learn much more about our humanbeings and the earth.
However,it brings the pollution for us ,too.It also makes some of us be lazy because life is too comfortable.
Above all,we should make full use of the technology and do our best to help the earth and people.
