It is the same set of people for whom we need traffic lights, cameras, cops to manage in public life, how can same people don't need anyone to monitor and manage when they step into office?

我们需要红绿灯、摄像头、警察来维持公共秩序，同样是这样一群人，为什么走进办公室之后，我们就不再需要任何监督和管理了呢？

youdao

The 12-inch red traffic lights as an example, is used in the United States have long life, low-efficiency 140 watt incandescent lamp as a light source, it produced 2,000 lumens of white light.

以12英寸的红色交通信号灯为例，在美国本来是采用长寿命、低光效的140瓦白炽灯作为光源，它产生2000流明的白光。

youdao

He said police would no longer be needed by Sunday to oversee traffic at intersections where lights are out and that the return of mass transit will significantly improve quality of life for the city's residents.

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