All roads lead to Rome.

1. 條條大路通羅馬。

royal road

1. 捷徑
   There's no royal road to success in this trade.

   幹這一行想成功是沒有捷徑的。

on the road

1. 在旅途中；到處奔走
   Their marriage broke up because her husband had affairs on the road.

   他們的婚姻破裂了，因為她丈夫在旅途中有了外遇。

   As a salesman, I am on the road about three weeks per month.

   身為業務員，一個月當中有三個星期我都到處奔走兜攬生意。

• down the road
  informal in the future.
• in (or out of) the (or one's) road
  informal in (or out of) someone's way.
• one for the road
  informal a final alcoholic drink before leaving.
• on the road
  
  1. on a long journey or journeys.
     ▸without a permanent home and moving from place to place.
  2. (of a car) able to be driven.