pay dirt

美 
英 
  • n.矿砂
  • 网络财源;有利可图的发现;含矿波沙
pay dirt
n.
1.
(含贵重矿物或金属的)矿石,矿砂earth that contains valuable minerals or metal such as gold
IDM
hit/strike pay dirt
(informal)
骤然成功;暴富to suddenly be in a successful situation, especially one that makes you rich