black-market ['blæk'ma:kɪt]

例句:

• Poachers have been netting salmon to supply the black market.
  盗猎者一直在捕捞大麻哈鱼到黑市上去卖。
  来自柯林斯例句
• There is a plentiful supply of arms on the black market.
  黑市上有大量武器出售。
  
• There's a black market in rationed goods.
  实行定量配给的商品存在黑市交易。
  
• Rhino horn fetches high prices on the black market.
  来自VOA
• We also used them to control the black market.
  来自NEWYORKER
• The gas coupons were sold on the Black Market.
  来自NEWYORKER