intended track

例句：

1. 1. The train was supposed to arrive at the station at 7:00 pm, but it didn't showup until 8:30.
   火车原计划在晚上7点到达车站，但直到8点半才到。
2. 2.The engineer had planned a route that would take us through the mountains and down to the coast.
   工程师原本计划了一条路线，让我们穿过山区，然后下到海岸。
3. 3.The new plan is intended to improve efficiency and reduce costs.
   新计划旨在提高效率和降低成本。