"sitting on a gold mine" in Chinese (Simplified)
坐拥金矿
Definition
拥有非常宝贵的东西或巨大的机会，通常自己还没有意识到。
Usage Notes (Chinese (Simplified))
这是一个非字面、非正式的惯用语，用来形容隐藏的价值、未开发的资源或未被发现的机会。常与“意识到”一起使用（“他没意识到自己坐拥金矿”）。
Examples
She is sitting on a gold mine with her old comic book collection.
她的老漫画收藏让她**坐拥金矿**。
They bought land years ago and now they are sitting on a gold mine.
他们多年前买的地，现在**坐拥金矿**。
Your idea could be sitting on a gold mine if you work on it.
你的想法如果实现，可能**坐拥金矿**。
When the company realized the value of their software, they knew they were sitting on a gold mine.
公司意识到他们软件的价值时，才知道自己一直**坐拥金矿**。
Most people don’t realize they're sitting on a gold mine until someone points it out.
大多数人直到被指出，才知道自己**坐拥金矿**。
If you renovate this house, you'll see you're actually sitting on a gold mine.
如果你翻修这栋房子，就会发现你其实**坐拥金矿**。