### Chinese: 3.买家对本店的运费收取有疑问，可选运费到付。
### English: The buyer has doubts about the store's shipping fee, the shipping fee can be paid.
### Errors: There is a major error at "The buyer has doubts". There is a major error at "the store's". There is a major error at "fee, the shipping fee can be paid".

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