discount warehouse
noun [ C ] uk/ˈdɪs.kaʊnt ˌweə.haʊs/ us/ˈdɪs.kaʊnt ˌwer.haʊs/
（尤指廉价销售大宗或批量商品的）大型仓储式商店
a large store, usually not in the centre of a town, that sells goods at low prices, especially large goods or large quantities of goods