拼车不仅省钱，还能减少路上的车辆数量。

___Ride-sharing saves money and reduces the number of cars on the road.

使用拼车服务可以节省交通费用。

Using a ___ride-sharing service can save you money on transportation.

拼车服务帮助减少交通拥堵和污染。

___Ride-sharing services help reduce traffic congestion and pollution.