insufficient funds的用法和样例：
例句
- I am calling to let you know there were insufficient funds in your bank account to cash the check you sent us.
我打电话是要通知您，您的银行账户存款不足以兑现您开给我们的支票。 - A lack of funds brought the undertaking to grief.
事业因资金不足而失败。 - His funds came short and he had to borrow money from the bank.
他资金不足，只好找银行借钱。
