broken-back transit

例句：

1. 1. The broken-back transit method is a popular wayto travel between cities.
   背痛的交通方式是一种受欢迎的城市间旅行方式。
2. 2. He preferredthe broken-back transit over the directflight.
   他更喜欢背痛的交通方式而不是直飞。
3. 3. The broken-back transit routewas designed to reduce traffic congestion.
   背痛的交通路线被设计来减少交通拥堵。