求翻译：鸡尾酒会通常不设座椅，目的是促使客人多走动，增加交往范围。这时你不应当把注意力集中在食物上，而是应当去和更多的人交谈。是什么意思？

Cocktails usually without seats, aims to encourage guests to walk, increasing range of engagement. Then you should not focus on food, but should go and talk to more people.