department 作商店解时，是美国英语，通常写为department store。
store 在美国指出售同一类商品的小型商店。在英国用复数形式表示百货商店。
shop 指规模较小，出售同一类商品的店铺。
参考例句
1. He stored some money for the future. 他为不时之需存了些钱。
2. They went to the store after dinner. 他们吃完晚餐后才去那间店。
3. Some animals store food for the winter. 有些动物贮藏食物以备过冬。
英英解释
n.
1. a mercantile establishment for the retail sale of goods or services
2. a supply of something available for future use
3. an electronic memory device
4. a depository for goods v.
1. keep or lay aside for future use
2. find a place for and put away for storage
