gold mine
編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看
gold mine — 名詞
1. a place where gold is dug from the ground
1.名詞
釋義
金礦
a place where gold is dug from the ground
例句
They discovered a rich gold mine in the mountains.
2. a source of great wealth or profit
2.名詞
釋義
金礦（比喻）
a source of great wealth or profit
例句
The new product was a gold mine for the company.