After the bank card is opened, you can directly purchase Dongdong, and there is a link to online banking in the payment page. Alipay account means: you open an account in Alipay company (the same as you open an account in a bank), when you buy a product and pay successfully, it means that your money is transferred from your bank account to your Alipay account. When you are satisfied with the acceptance of the goods, you go to the \"purchased products\" click \"confirm receipt\
Refunds aren't too much of a hassle either: After you buy a product payment success, you should go to the \"bought products\" to check the transaction status, see whether the seller shipped, if it has been shipped, you look at the \"details\" there are many days to receive goods, as long as you receive goods within the deadline, ok, if only one or two days, you point \"refund\