求翻译：3.在开餐前对本餐厅巡视，按规范标准检查桌椅，餐具等各项准备情况，对服务员讲解菜单。是什么意思？

3. in the open before the meal on the restaurant inspections, according to the standard checks and Chair, tableware such as readiness, on the waitress explain the menu.