At the same time, display screens on either side of the crosswalk tell people to only cross the street when the light is green.
与此同时，人行横道两侧的显示屏告诉人们只在绿灯亮的时候过马路。
At the same time, display screens on either side of the crosswalk tell people to only cross the street when the light is green.
与此同时，人行横道两侧的显示屏告诉人们只在绿灯亮的时候过马路。
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