路费的英文：
travelling expenses

参考例句：

He worked his passage from Australia to England.
他靠做工抵偿从澳洲到英国的路费。

Gas is not cheap, and a long journey can be very expensive, especially if you have expressway tolls to pay.
汽油不便宜，开长途可能会很贵，尤其是你还要付高速公路的路费。

travelling是什么意思：
adj. 旅行（用）的
v. travel的现在分词

A cosmopolitan traveler.
四海为家的旅行者

They are travelling entertainers.
他们是巡回演出的艺人。

He travels the fastest who travels alone
独行者走得最快;无家累者易发展

He travels the fastest who travels alone.
单独旅行的人走得最快。

One who travels or has traveled, as to distant places.
旅行者一个旅行或已经旅行过的人，如到遥远的地方

expenses是什么意思：
n.
1.消耗，花费
2.花费的钱，费用，开支，花费
3.费用；价钱
4.花钱的东西；开销
5.（向雇主报销的）费用，开支，花销，业务费用

duplicate expenses
使费用加倍

You will be reimburse for your expenses or your expenses will be reimburse.
你的花费将得到偿还。

All the expenses fall on me.
全部费用由我支付。

To enrich oneself at others expense
损人利己

It's handmade and hence expensive.
这是手工做的，因此很贵。