事情是这样的：

本地老在意大利刷VISA卡消费时，在自动ATM机上用中行VISA卡刷多了20欧，当时无法退还款项。回国后我就写邮件找相应人工渠道请求退款，对方也爽快同意了，并要求我提供bank account number，SWIFT IBAN 等等信息。我临时了解了国内中行账号没有IBAN， 我就提供了IBAN = N/A， bank account number = VISA credit卡的信息过去，结果被怼回来了说credit卡不是需要的账号没法bank transfer，我又搞了个debit卡信息给过去心想这总可以转账了吧，没想到又被怼回来了（邮件如下）。这次还好钱不多，万一钱多了不知道怎么办。。。。

有懂行的朋友给扫扫盲吗咋提供bank account number，感谢

Dear Customer,

The debit card number cannot be used to receive bank transfers, but only allows you to make payments. This is different from other national debit cards that have an IBAN code printed on them. In that specific case, it was indeed possible to use the IBAN code to proceed with the refund transaction.
However, we are unable to understand why, despite the clear requirement for a bank account number, you continue to provide credit or debit card numbers.
Given the circumstances, we regret to inform you that we are unable to process the refund you have requested.
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修改:ryanzhao FROM 220.196.194.*
FROM 220.196.194.*