2. When paying by credit card:
A. Automatic repayment at maturity: If you enable the automatic purchase of foreign exchange by credit card, you only need to return RMB to the credit card, and our bank will automatically convert the bill into US dollars for you according to the foreign exchange rate announced on the same day;
B. Advance payment: you can purchase foreign exchange by yourself and pay in US dollars (you can purchase foreign exchange by yourself when the US dollar price is more favorable to you);