### Chinese: 看好编号下单，古董物品售出不退不换。
### English: We are optimistic about the number of orders, and antique items will not be returned or exchanged when they are sold
### Errors: There is a major error of incorrect translation does not accurately represent the correct translation at "We are optimistic about the number of orders". There is a major error of incorrect translation is missing content from the correct translation at "antique items". There is a major error of incorrect translation includes information not present in the correct translation at "when they are sold".

### Improved English: Please check the serial number before placing an order, and all products of the antique type cannot be exchanged or refunded once sold.