hidden wealth

例句：

1. 1. The wealthy family has hidden their wealth away in a secret vault.
   这个富有的家庭将他们的财富藏在一个秘密的保险箱里。
2. 2. The government is trying to keep its hidden wealth under wraps.
   政府正试图保守其隐藏的财富。
3. 3.The rich man was found with hidden wealth in his home.
   这位富人被发现在他的家中藏有隐藏的财富。