1. The city is planning to build a new duorail system to alleviate traffic congestion.

这个城市计划建设一条新的双轨轻轨系统，以缓解交通拥堵。

2. The duorail provides a convenient and efficient mode of transportation for commuters.

双轨轻轨为通勤者提供了便捷高效的交通方式。