| 摘要 |
A method of purchase of products by customers, the method comprising: in respect of a plurality of items available from each of a plurality of retailers, obtaining the price of each item for purchase from each retailer; receiving an indicator of a region from a customer (region indicator); receiving a list of items for purchase from the customer; determining the cost of each of the items in the received list for each of the retailers based on the received region indicator; and determining a shopping list for each retailer based on the determined costs. |
