### Chinese: 2.买家急需产品或有时效限制，建议选择顺风快递，建议到付，顺丰相对有所保证，修改运费后再付款。
### English: 2. Buyers urgently need products or time limits, it is recommended to choose Downwind Express, it is recommended to pay, SF is relatively guaranteed, modify the freight and then pay.
### Errors: There is a major error of incorrect translation does not accurately represent the correct translation at "Downwind Express". There is a major error of incorrect translation includes information not present in the correct translation at "it is recommended to pay". There is a major error of incorrect translation is missing content from the correct translation at "urgently need products". There is a major error of incorrect translation has stylistic problems at "modify the freight and then pay". There is a major error of wrong grammatical register (eg, inappropriately informal pronouns). internal inconsistency (not related to terminology) at "it is recommended to choose".

### Improved English: 2. It is recommended to choose SF-express delivery with payment upon arrival for buyers who need the products urgently or need to receive it within a time range; SF is relatively secure and you may pay after the shipping fee is edited.