Let me analyze several possibilities for you. Please analyze it based on your own situation.

First, the credit card is bound to a certain software, and you have set up automatic deduction and automatic renewal functions on that software. If the utility bill is automatically deducted every month, the membership fee of a certain platform is automatically deducted. Renewal, deductions, etc.

Second, does your credit card meet the annual fee reduction policy? Is it possible that the annual fee has been deducted?

Thirdly, have you used your credit card to customize any benefits, such as discounts at certain places?

Finally, have you You can check the details of the unissued credit card statement by yourself, look at the place where the purchase was made, and then think about it based on the several possibilities I imagined, or call the customer service number on the back of the credit card and transfer to manual customer service and ask the customer service to check it for you, which will be more detailed. .