Traffic signals include traffic signal lamps, traffic signs, traffic line markings and the command of traffic policeman.
交通信号包括交通信号灯、交通标志、交通标线和交通警察的指挥。
One theory is that the wheels of vehicles in heavy traffic on the day after Thanksgiving day left many black markings on the road surface, leading to the term black Friday.
其中一种说法是感恩节之后这一天拥挤的交通会使车轮在路面留下很多黑色痕迹，就有了“黑色星期五”这个说法。
Article 28 No units or individuals shall, without authorization, put up, remove, occupy or damage traffic signal lights, traffic signs and traffic line markings.
第二十八条任何单位和个人不得擅自设置、移动、占用、损毁交通信号灯、交通标志、交通标线。
Article 28 No units or individuals shall, without authorization, put up, remove, occupy or damage traffic signal lights, traffic signs and traffic line markings.
第二十八条任何单位和个人不得擅自设置、移动、占用、损毁交通信号灯、交通标志、交通标线。
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