几分钟后，“赫兹租车”的女雇员回到柜台前，脸上一副尴尬的表情。 “不好意思，奥巴马先生，你的信用卡被拒付了。”
After a few minutes the Hertz woman came back with a look of embarrassment on her face.
支付：我支付信用卡帐单。邮递：银行邮寄信用卡帐单。拒付：帐单有误，不被核准。
Post: the bank sends the credit card bill. Pay: I pay the credit card bill. Reject: Something is wrong on the bill, and it isn't approved.
当信用卡持有者联系银行或者信用卡公司以阻止一笔账户付款时，退单拒付即产生。
A chargeback occurs when a credit card holder contacts his bank or credit card company to dispute a charge on his account.
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