: "Because the single-currency UnionPay card is different from visa, it cannot be pre-authorized. After Amazon placed the order, UnionPay directly converted it into RMB for deduction according to the exchange rate. If the order was cancelled during the period, the money would stay in Amazon or UnionPay, and it would not be returned to the personal bank card anyway. At this time, individuals need to contact their own issuing banks and inform them of the transaction. ...