The available quota is 0 or a negative number, which means that the temporary quota adjusted in the current period has expired. After your repayment is received, you can continue to use the fixed limit of your credit card;
The "bill issued"/"amount due for this period" of the RMB/USD account is a negative number, which means there is excess deposit in the current account;
If there are merchant refunds, rebates, etc., the amount will be displayed as a negative number in the "Adjustment Amount for the Current Period" on the bill.
(Response time: August 6, 2020, please refer to the official website of China Merchants Bank for the latest business changes)