Many businesses, such as department stores, restaurants, hotels and airline companies, use a credit system for selling their products and services.
许多企业，如百货公司，餐厅，酒店和航空公司，用于信用制度销售的产品和服务。
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After a major airline chose Yorkville as its regional flight hub, the number of businesses in that city almost doubled and local tax revenue increased by 50 percent.
Successful businesses tend to make apps natural extensions to their businesses, whether it's selling workout apparel, facilitating airline travel or providing in-home entertainment.