lodestar ['loʊdstɑ:r]

例句:

• But Warhol as marketer, not as artist, is Murakami's lodestar.
  来自NEWYORKER
• A mistress lives perhaps too much in the present, but this immediacy is a lodestar.
  一个情人则可能过分注重此情此景,活在当下就是她的指导原则.
  
• One who murmurs that his wife Is the lodestar of his life.
  来自D. Parker
• High on the list is the idea that "happiness" is the lodestar of a life well-lived.
  来自WSJ