With a classic public good, such as street lighting, one person’s usage does not affect anyone else.

标准的公有物品，例如路灯，一个人的使用并不影响其他人。

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Street lighting system is the absolutely necessary public equipment for the city construction.

道路照明系统是城市建设不可缺少的公用设备。

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There will also be a new public square, better street lighting and improvements to shop fronts.

BBC: Arthurian village set for facelift

The young inventor envisages PaveGen systems being used to power off-grid appliances such as public lighting, illuminated street maps and advertising, and to be installed in areas of dense human traffic such as city centers, underground stations and school corridors.

CNN: Green sidewalk makes electricity -- one footstep at a time