You will find the occasional sharpie who watchesfor the amber to come up on the adjacent set of lights.
你会发现偶尔会有一些敏锐的人，他们会注意到琥珀出现在相邻的一组灯上。
3
It also watchesfor what's called "close by hands", where both hands are close together near the top of the wheel, so the driver can type with both thumbs and drive at the same time.