With the develop ment of china,our life have changed a lot.Then,good or bad is a great problem.I think it's good.Becouse the world need change,this changes make our life much better.Do you think so?With the computer,we learn some thing.With the car,we can go to some place easily.With the phone,we can speak with some body that leave with us very far...We live with development.So,we have no reason to say,development is bad for us.of course,some body will say,development cause polloion,but if we do our best to deal with it,we will have no probem on it.Is'nt it?