求翻译：有时候会有服务生拿着托盘在场内走动，你可以在他的托盘中拿取食物、酒水。也可以选择自己去吧台拿酒水。有的食物是用牙签串着的，有的则没有牙签，需要用手拿，在拿取这些食物的时候应当拿一张纸巾，随时擦自己的手指和嘴。是什么意思？

Sometimes presence within a waiter holding a tray, you can get in on his tray of food, the drinks. Can also choose to go with the drinks. Some foods are made of toothpicks, while others are not toothpicks, you need to handle, take these foods should be a piece of tissue, wipe his fingers and mouth at any time.