[] a self-service shop/store, restaurant, etc. is one in which customers serve themselves and then pay for the goods （商店、餐厅等）无人售货的；自助的◆self-service check-in at the airport 机场的自助办理登机手续服务◆self-service banking 自助银行▸ˌself-ˈservice
noun
[] ◆The cafe provides quick self-service at low prices. 这家咖啡馆提供价格低廉、方便快捷的自助服务。