Modern vehicles have extended the range of people's activity, and thus made much more goods available to local markets.

现代交通工具延伸了人们活动的范围，也因此使市场上的商品数量增加了。

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In urban cities, sedentary lifestyle and increased use of vehicles or railways for transportation are associated with diminution of physical activity among citizens.

在都市化的城市里，市民长期伏案工作及过分依赖汽车及铁路代步，以致运动量不断下降。

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Pedestrian activity is one important part of urban traffic. The conflict between pedestrian and vehicles is vital factor to influence the efficiency of intersections.

行人与机动车的冲突是影响交叉口运行效率的重要因素。

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The remake of traffic systems, rebuilding cities on smarter grid systems, synchronizing parking, possibly reinventing entire markets to reward drivers for sustainable activity, and actually re-imagining vehicles themselves will lead us not only to better cars, but possibly better cities and an easier way of living.

FORBES: Reinventing The Automobile

The system is evidently able to distinguish between vehicles, animals, and humans -- and it can even differentiate between different types of human activity, including walking, running, and digging.

ENGADGET: UA engineers develop 'invisible,' fiber optic border monitoring system