### Chinese: 3.买家对本店的运费收取有疑问，可选运费到付。
### English: 3. If the buyer has any questions about the freight charge of our store, he can choose to pay the freight.
### Errors: There is a major error of terminology is non-standard or does not fit context. terminology is used inconsistently at "freight charge and freight". There is a major error of incorrect translation is missing content from the correct translation at "payment upon arrival".

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