gold mine noun
plural gold mines
plural gold mines
Learner's definition of GOLD MINE
[count]
1
: a place where gold is dug from the ground : a mine that produces gold金矿
2
: something that has or produces a lot of something desired (such as money)宝库;财源 -
When she was the manager, the restaurant was a (real/veritable) gold mine! [=it was very profitable]她当经理时,这家餐厅真是财源滚滚!
-
The library is a gold mine of information.图书馆是信息的宝库。