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四通八达的道路交通无疑是现代社会所必需的。但是,在城市里,堵车也是最司空见惯的景象。美国得克萨斯州运输研究所发表了一份关于“堵车损失”的统计报告,其中罗列的数字让人们大吃一惊。报告说,2003年,美国85个主要城市因交通堵塞每年的经济
Ease of road traffic is undoubtedly necessary for modern society. However, in cities, traffic jams are the most common sight. The Texas Institute of Transportation in the United States published a statistical report on “Traffic Jam Losses,” the numbers listed are surprising. The report said that in 2003, the 85 major cities in the United States were blocked by the traffic economy each year