【正确答案】The picture presents a real traffic scene in which endless columns of vehicles have jammed the road, making movement impossible. Much valuable time is wasted and many important businesses are delayed in the helpless waiting for progress. It's no exaggeration to say that the inconvenience and losses caused by traffic jams are inestimable. 　　Traffic problem is an inescapable outcome of social and economical development, and therefore is common to most capital cities all over the world. The accelerated urbanization, the rapid increase of private cars, and the lag of road construction are responsible for traffic congestion. 　　As the traffic problem involves many factors, there is no single measure that can solve it once for all. For the present, realistic solutions may include: 　　To give priority to improving and developing mass-transit system, both ground and underground; 　　To set up proper limits to private vehicles; 　　To perfect traffic regulations and management, and 　　To advocate bicycling or walking between home and office. 　　However, any successful resolution of the problem depends not so much on public concerns and appeals as on the initiative and determination of the local municipal administrations.