You have to learn to watch the traffic ahead and keep your eye on the driving mirror at one and the same time.

司机们必须学会既注意前方的交通，同时又留神后视镜。

youdao

You have to learn to watch the traffic ahead and keep your eye on the driving mirror at one and the same time.

司机们必须学会既注意前方的交通，同时又留神后视镜。

youdao