                    a food/meal-delivery business 外卖业务a travel arm 旅游事务部a restaurant-review & booking 餐饮点评-预订a bike-sharing service 共享单车服务a ride-hailing service 网约车服务a search engine for service 服务搜索引擎the concept of social shopping 社交购物bargain-hunters 淘便宜货的人low margin, high volume 利润率低-体量大 
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afood/meal-deliverybusiness外卖业务atravelarm旅游事务部arestaurant-review&booking餐饮点评-预订abike-sharingservice共享单车服务aride-hailingservice网约车服务asearchengineforservice服务搜索引擎theconceptofsocialshopping社交购物bargain-hunters淘便宜货的人lowmargin,highvolume利润率低-体量大