一个人在开车时注意交通号志是很重要的。
It's important to pay attention to the signal of the traffic light when one drives.
一般红绿灯是安置在人们视线高度的地方，但是都市规划者注意到人们常低头使用智慧型手机，因此将号志灯装设在地面上更为安全。
Although the lights are usually mounted at eye level, city planners noticed that people were using smartphones so much that it would be safer to install them in the ground.
一般红绿灯是安置在人们视线高度的地方，但是都市规划者注意到人们常低头使用智慧型手机，因此将号志灯装设在地面上更为安全。
Although the lights are usually mounted at eye level, city planners noticed that people were using smartphones so much that it would be safer to install them in the ground.
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