So he's developing strategies so the vehicle can communicate with pedestrians, so --  So the headlights are eyeballs, the pupils can dilate, we have directional audio, we can throw sound directly at people.
所以他在研究怎样让这辆车 留心我们的行人，所以—— 所以车头灯成了眼球，它的瞳孔会扩大的 我们有指导声频，所以可以在人们面前 直接发声