1 discover 【据说已经挂了】
2 BOA
https://www.bankofamerica.com/privacy/accounts-cards/shopsafe.go
3 citi
https://www.cardbenefits.citi.com/Products/Virtual-Account-Numbers
怎么建立看这里
https://www.accountonline.com/cards/wv/copy.do?screenID=2195&JFP_TOKEN=N8BEXV2Q