"gold mine" in Chinese (Traditional)
金礦寶庫（比喻，豐富資源）
Definition
最初是開採黃金的地方。口語中也代表非常寶貴或豐富資源的來源，比如資訊或機會。
Usage Notes (Chinese (Traditional))
比喻用最常見，例如“a gold mine of ideas（想法寶庫）”。字面意思只指開採黃金的地方。比喻用適合日常、商業、教育等場景。
Examples
The old town was once a gold mine.
這個老城曾經是一座**金礦**。
This library is a gold mine of information.
這個圖書館是資訊的**寶庫**。
They discovered a gold mine deep in the mountains.
他們在深山中發現了一座**金礦**。
Her recipes are a real gold mine for anyone learning to cook.
她的食譜對於學做飯的人來說真的是**寶庫**。
That website turned out to be a gold mine of travel tips.
那個網站成了旅遊建議的**寶庫**。
Honestly, this old diary is a gold mine of family stories.
說實話，這本舊日記是家族故事的**寶庫**。