Every time a customer uses a card, retailers must pay an "interchange" fee. 只要顾客使用信用卡，零售商都必须为此支付交易费。
If a cardholder uses the credit card at least once a month, Mizuho waives the transaction fees at some ATMs. 如果一位信用卡持卡人每月至少刷卡消费一次，瑞穗金融集团就会免除他使用部分自动提款机时的交易费。
