pay dirt
US /ˈpeɪ dɜrt/
UK /ˈpeɪ dɜrt/
1.
富矿, 含金土
soil or gravel containing a valuable mineral, especially gold, in sufficient quantities to be worth mining
:
•
After days of digging, the prospectors finally hit pay dirt.
经过数日的挖掘，勘探者们终于找到了富矿。
•
The old mine was abandoned, but some believed there was still pay dirt deeper down.
旧矿被废弃了，但有些人相信更深处仍有富矿。
2.
成功之源, 利润来源
a source of profit or success
:
•
The new marketing strategy proved to be pay dirt for the company.
新的营销策略被证明是公司的成功之源。
•
He finally found pay dirt with his innovative invention.
他终于凭借其创新发明找到了成功之道。