self-service

详细解释:n. 自我服务, 自助式销售
【法】 自助, 顾客自理, 无人售货

英语解释：

名词 self-service:

the practice of serving yourself (as in a grocery or cafeteria)

形容词 self-service:

of or denoting an establishment (a restaurant or shop etc.) where customers serve themselves