hit pay dirt

释义

发现矿藏，找到富矿；

hit pay dirt
"hit pay dirt"
Hit Pay Dirt
Conquering myopia: Have we hit pay dirt?
Scientists hit pay dirt in drilling of dinosaur-killing impact crater
Hit pay dirt at Empire Farm Days
Pawnshops hit paydirt as Southeast Asians sweat before pay day
1859: Drake's Rock Oil: No One Knew That Oil Could Come from the Ground until of Speculators Hit Pay Dirt in Northwestern Pennsylvania
WHAT IT TAKES WRITERS TO HIT PAY DIRT ON CONTENT FARMS: IT'S ALL ABOUT THE TRAFFIC
Southeast Mines Hit Pay Dirt