### Chinese: 3.买家对本店的运费收取有疑问，可选运费到付。
### English: 3. Buyers have questions about the freight charge of our store, optional freight collect.
### Errors: There is a major error of incorrect translation has stylistic problems at "optional freight collect". There is a major error of incorrect translation includes information not present in the correct translation at "Buyers". There is a minor error of incorrect translation is missing content from the correct translation at "have questions".

### Improved English: 3. If you have doubts about the shipping fee of our store, you may choose payment upon arrival.