Hello, when you are abroad, you can choose the card swiping machine corresponding to the card swiping route according to the credit card organization logo on the credit card (such as: VISA, MASTERCARD, JCB, American Express, UnionPay) to swipe the card. There is no need to activate the additional card swiping function. . When the card is swiped on UnionPay lines, the payment will be settled directly in RMB; when the card is swiped on international lines, the payment will be settled in US dollars. Since overseas purchases by credit card will be settled in U.S. dollars, if the consumption amount is non-U.S. dollars, conversion fees between the two currencies will be incurred. If the UnionPay line is used or the consumption amount is US dollars, no exchange settlement procedures will occur.