When querying the Bank of Communications credit card on the self-service banking machine, the balance displayed is positive, indicating the arrears or arrears.
For a credit card, the balance is what you owe, because the money in the credit card is the bank's money, the bank's money and the bank's balance. Positive and negative are just expressions. For example, Bank of Communications is on the bank's side, so your debt is positive. Agricultural Bank of China is standing on the customer's side, so your debt is negative, which is not important. In a word, the balance of a credit card is a debt. Most banks express the outstanding overdraft as a positive number and the repayment as a negative number. Generally, if the balance is negative, it means that the repayment is redundant, and the overpayment is negative, which means that it is not arrears but overpayment.