haidaox
幼苗
共回答了17个问题采纳率:88.2% 举报
Nowadays,getting around in a city is not easy,particularly in big cities where streets are overcrowded by different kinds of vehicles.Ecomonic development enables people to buy cars as a means to travel within a city.The more cars people buy ,the more crowded the streets become.Even if the streets are widened,the difficulty of moving around still remains because of the great number of vehicles running on the road.The traffic-jam gets worse at the crossings and interjunctions because the traffic lights signals one way of vehicles to go while cars,vans and large-scale trucks have to wait until the lights turn green.So,you can always see the long queue of cars and trucks waiting to go across at the crossings on the road,which slows down the speed of moving around in the cities.
1年前
7