【简介】感谢网友“雕龙文库”参与投稿，这里小编给大家分享一些，方便大家学习。
A long-distance flight consumes more fuel than a car does in several years time， and causes the same amount of pollution as cars. Some people think we should discourage non-essential fights such as for tourism and it is more efficient than restricting the car use. To what extent do you agree or disagree with this opinion？
