pay dirt

US /ˈpeɪ dɜrt/
UK /ˈpeɪ dɜrt/
"pay dirt" picture
1.

富礦, 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.
經過數日的挖掘,勘探者們終於找到了富礦
The old mine was abandoned, but some believed there was still pay dirt deeper down.
舊礦被廢棄了,但有些人相信更深處仍有富礦
2.

成功之源, 利潤來源

a source of profit or success

:
The new marketing strategy proved to be pay dirt for the company.
新的營銷策略被證明是公司的成功之源
He finally found pay dirt with his innovative invention.
他終於憑藉其創新發明找到了成功之道