### 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, you can choose to pay the freight on delivery.
### Errors: There is a minor error at "er". There is a minor error at "charge".

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