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Traffic in Our Cities The volume of traffic in many cities in the world today continues to expand. This causes many problems, including serious air pollution, lengthy delays, and the greater risk ______ accidents. Clearly, something must be done, but it is often difficult to persuade people to ______ their habits and leave their cars at home. One possible ______ is to make it more expensive for people to use their cars by ______ charges for parking and ______ tougher fines for anyone who ______ the law. In addition, drivers could be required to pay for using particular routes at different times of the day. This system, ______ as road pricing, is already being introduced in a ______ of cities, using a special electronic card ______ to the windscreen of the car. Another way of ______ with the problem is to provide cheap parking on the ______ of the city, and strictly control the number of vehicles allowed into the centre1. Drivers and their passengers then use a special bus ______ for the final stage of their journey. Of course, the most important ______ is to provide good public transport. However, to get people to ______ the comfort of their cars, public transport must be felt to be2 reliable, convenient and comfortable, with fares ______ at an acceptable level. 词汇： lengthy a.漫长的，冗长的 persuade v.说服，劝服 | 
