drawing card
noun /ˈdrɔːɪŋ kɑːd/
  /ˈdrɔːɪŋ kɑːrd/
(North American English) (Australian English, New Zealand English 'drawcard)
- a person or thing that attracts people to a place, event, product, etc.抽奖卡:吸引人们到某个地方,活动,产品等的人或事物。 - The city's biggest drawing card is the carnival.这座城市最大的亮点是狂欢节。 
- Her casting in the lead role will be a major drawing card.她主演的角色将是一张主要的王牌。 
 
- The city's biggest drawing card is the carnival.