求翻译：该部分详细描写了美国食物的特点、美国人对吃的需求、饮食习惯、社会各种人群出席的各种餐厅、餐桌礼仪的一些基本知识、形式多样的聚会等是什么意思？

This section describes in detail the characteristics of American food, American food needs, eating habits, different social groups at a variety of restaurants, some basic knowledge of table manners, a variety of gatherings

正在翻译，请等待...

Each kind of dining room, dinner table etiquette some elementary knowledge, the various formats meeting which this part described the American food characteristic, the American in detail to which has eaten the demand, the diet custom, social each kind of crowd attends and so on

正在翻译，请等待...

This section describes in detail the characteristics of American food, American food needs, eating habits, different social groups at a variety of restaurants, some basic knowledge of table manners, a variety of gatherings