简单地说，如果应付款日期与主机变量中提供的值匹配，它就返回应支付金额。

Put simply, it returns the payable amount if the payment due date matches the one supplied in the host variable.

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如果本银行认为您质疑的款项并无错误，银行将寄给您一份书面说明和应付款项对帐单，并在对帐单中列出支付金额和付款日期。

If the Bank finds that it did not make a mistake on the amount you question, it will send you a written explanation and a statement of the amount you owe and the date that it is due.

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