问题描述：
Credit card billing address (Please write in English) (The billing address of the credit card used must be from the same country as the website you are currently using to make this purchase)
第一次订机票回国，不知道要如何填写这一栏。求助~
我用的是万事达卡的副卡，账单地址是否是填写主卡账单的地址？
问题解答：
可以填写主卡账单地址。
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