Money is fungible.

货币是可替换物。

Your daughter has discovered that money is fungible.

你的女儿发现钱是可以互换的。

Your daughter has discovered that money is fungible .

你的女儿发现钱是可以互换的。

But it cannot be traded to third parties, and it is not entirely fungible.

但它并不能交易给第三方，也就不完全是种可交换的资产。

It is not as fungible as wealth or skill, but that does not make it illiquid.

它的可互换程度不如财富或技巧，但这并没有使它成为非流动的资产。