Digital plates could display ads whenever a car comes to a halt at a stop sign or a red light.

数码车牌可以在车辆遇到停顿标示或红灯时播放广告。

youdao

Digital plates could display ads whenever a car comes to a halt at a stop sign or a red light.

数码车牌可以在车辆遇到停顿标示或红灯时播放广告。

youdao