shortcut            
noun [ C ] uk/ˈʃɔːt.kʌt/ us/ˈʃɔːrt-/
 近路,捷径
a route that leads from one place to another and is quicker and more direct than the usual route
  I know a shortcut to town. 我知道一条去城里的近路。 
  (做某事的)捷径
a quicker way of doing something in order to save time or effort
  (计算机操作中的)快捷方式
a quick way to start or use a computer program
  a shortcut key 快捷键