求翻译：我认为在大城市里控制汽车数量是有必要的。因为，现在随着经济发展越来越多的家庭都拥有了私家车，一方面它给人们的出行带来了方便，另一方面它也产生了许多不良后是什么意思？

I think the number of cars in big cities control is necessary. Because, now, with economic development more and more families have private cars, on the one hand it has brought to people's travel convenience, yet it also had many negative after

I am of the view that in the major cities control number of automobiles is necessary. This is because as the economic development of the ever-increasing number of family owned a car, on the one hand it gives the convenient travel on the one hand, it will also have many adverse later

I thought controls the automobile quantity in the big city to have the necessity.Because, all had the private vehicle now along with economical development more and more many families, on the one hand it gave people's journey to bring conveniently, after on the other hand it has also produced many n

I think it's necessary to control the number of cars in big cities. Because, as economic development more and more families are now has a private car, on the one hand it gives people a convenient, on the other hand it has also created a lot of bad after

I think that it is necessary to control the car quantity in the big city. Because as more and more families of economic development have a private car now, on one hand it gives the going out and bringing convenience of people, after being worse that on the other hand it has even been produced