| 摘要 |
<p>A billing system is disclosed. The system is configured to store a plurality of billing data, each billing data related to one of one or more products or services to be sold in a corresponding transaction. The system is further configured to display on a screen a first area that displays a first billing data and a second area that displays a thumbnail of a second billing data, and to process a payment of money with respect to any billing data displayed in the first area. According to a defined user operation, the first billing data displayed in the first area may be treated as being on hold, and a payment of money may be processed with respect to the second billing data.</p> |
