| 摘要 |
<p>The system (1) has a database (2) having information of recipes of food and beverages, a personal database (3) having information of persons to be entertained. Another database (4) having information of stored goods and services. A recipe of food and beverages is selected from the former data base on the basis of a personal data base having information of a person to be entertained from the personal information of multiple persons to be entertained and on the basis of a cost information for serving persons.</p> |
