金星客盤HD

The Venus Guest Disk is a system application application feature that records details of customer shopping information:

1. Objects used: Salesperson and customer.

2. Customers can self-purchase the goods in the store.

3. Customers can check their shopping list.

4. The customer can query the corresponding product information by scanning the QR code or entering the item number.

5. The customer can negotiate the price of a certain product and the merchant. After the two parties agree, they can join the shopping list and then enter the data center to save according to the general shopping process.