随着噗噗地冒出一股蓝烟，柴油引擎发动起来，司机一刻也没耽误，嘎吱嘎吱地开起车，冲进了正午的伦敦交通那刺耳的喇叭鸣叫之中。

With a cough of blue smoke the diesel engine fired up and the driver wasted no time in crunching it into gear and thrusting it out amongst the blaring horns of midday London traffic.

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这些高速公路沿途的收费站应该作为一个平稳流畅的交通体系的监护人，而不是又一股地方保护主义力量。

The tollbooths along these highways should operate as guardians of smooth traveling, not a force of local protectionism.

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在交叉口相位设计过程中，不同流向的各股交通流的客流量可能会出现较大差异，但大多数信号设计对这种差异并不重视。

During the design of the signal phase for intersections, the difference in passenger traffic volume of different directions is usually neglected.

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