With the special tourist ticket,you can travel on any train you like.

题目

With the special tourist ticket,you can travel on any train you like.
请问这里train前面为啥用介词on呢?为啥不用by呢?
有例句最好了~

答案

on any train you like你喜欢的任意一辆列车
by train这两个词之间是不能再加任何词的
you can go there on the train
you can go there by train