Green, as opposed to red, means safety; it is the color of free passage in road traffic.
绿色，与红色相反，意味着安全性；它是道路交通中自由通行的颜色。
Creating such a smooth passage means adjusting a vehicle's speed so that it always arrives at the lights when they are green.
创造畅通无阻的交通环境意味着必须对行驶车辆进行调速，这样车辆到达交叉路口时才会刚好遇到绿灯。
Creating such a smooth passage means adjusting a vehicle’s speed so that it always arrives at the lights when they are green.
构建这一顺畅的道路，意味着需要调节车速，以便它永远能在绿灯的时候到达路口。
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