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。
What information is worth extracting from this gold mine?
It is too bad; to fail to see a gold mine right in front of you out of principle is sad and not very clever.
This book is a real gold mine.
These men in my area thought they had found a real gold mine.
The fact is that he has found a gold mine in the graduated scheme.
We really did not then realise what a splendid gold mine of courage we had among our merchant sailors.
We want to be part of that gold mine; we do not want to be second-class citizens.
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?
