single bus scheme

例句：

1. 1. The city has implemented a single bus scheme to reduce traffic congestion.
   该市实施了一项单一公交车计划，以减少交通拥堵。
2. 2. The single bus scheme aims to improve public transportation and reduce emissions.
   单一公交车计划旨在改善公共交通并减少排放。
3. 3.The single bus scheme has been successful in reducing the number of cars on the road.
   单一公交车计划在减少道路上的汽车数量方面取得了成功。