### 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 questions about the shipping fees charged by this shop, optional freight collection will be provided.
### Errors: There is a major error at "optional freight collection will". There is a major error at "provided".

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