汽车必须在人行横道前让行给行人。

Cars must ___yield to pedestrians in the crosswalk.

在某些十字路口，交通信号灯变化时，汽车必须让行给电车。

At certain intersections, cars have to ___yield to trams when the traffic signals change.

左转时，驾驶员必须让行给对向车辆。

Drivers are required to ___yield to oncoming traffic when making a left turn.