insufficient funds的用法和樣例：
例句
- I am calling to let you know there were insufficient funds in your bank account to cash the check you sent us.
我打電話是要通知您，您的銀行賬戶存款不足以兌現您開給我們的支票。 - A lack of funds brought the undertaking to grief.
事業因資金不足而失敗。 - His funds came short and he had to borrow money from the bank.
他資金不足，只好找銀行借錢。
