They've introduced the bus rapid transit system.

他们引入了快速公交系统。

Ottawa once had an incredible bus rapid transit system with incredible lanes and roads, but the city realized that they could reduce downtown congestion, lower operating costs, and service more people by replacing the buses with trains.

渥太华曾经拥有令人难以置信的快速公交系统，拥有令人难以置信的车道和道路，但市政府意识到他们可以减少市中心的拥堵，用火车代替公共汽车，降低运营成本，服务更多人。