And traffic planners all around the world have tried lots of different measures: dense cities or dispersed cities, lots of roads or lots of public transport or lots of bike lanes or more information, or lots of different things, but nothing seems to work.
世界各地的交通规划者都曾尝试 许多不同的方式：集中化城市或是分散化城市， 大量道路或是大量公交， 又或者是大量自行车道或提供更多的信息， 还有许多不同的尝试，可惜看起来都不太见效。