bus rapid transit systems

But bus rapid transit systems are not the answer for every city.

但是快速公交系统不一定对每个城市都适用。

Bus rapid transit systems have not always worked well in cities that have tried them, either.

但是，快速公交系统在那些进行尝试的城市中，也不都是行之有效的。

The plan is to shift to efficient, low carbon bus rapid transit systems and light rail, and to retire old buses and replace them with lower carbon alternatives, such as hybrid vehicles.

城市交通规划的目标是向节能、低碳型快速公交系统转变，淘汰老旧公交车，用混合动力车等低碳车辆对其进行更换。