0 a place where gold is taken from the ground -- 金矿
The archive is a gold mine for historians. 这个档案馆对于历史学家来说就是一座宝库。
They are a veritable gold mine of information.
He knows that the definition of the term "the best practical means" represents a gold mine for his profession.
Tragically, for that reason, they are a gold mine.
There is a gold mine coming in connection with electricity, and that is why there is this great demand for concessions.
The railway companies are not going to be a gold mine to the nation in the next few years.
Here we are as a nation sitting on a gold mine and not working it.
The volume of evidence is a gold mine.
Is that not abdicating international control over two-thirds of the earth's surface, which is already potentially an arsenal, a gold mine and a sewer?
