### 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. <v>Buyers</v> in urgent need of products or time limit, it is recommended to choose the SF Express, it is recommended to pay on delivery, SF is relatively guaranteed, modify the shipping cost before payment.

### 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.
