translation.en: The first, most crude model of this is when one vehicle sees a construction zone, having another know about it so it can be in the correct lane to avoid some of the difficulty.
translation.zh: 首先，最简单粗制的模型, 就是当一辆车看到建筑施工地带时, 告知另一辆车，让它驶上正确的车道 以避免麻烦。