Global Business-To-Business E-Commerce Market Size, Share, Growth, Trends Analysis, and statistics report by Deployment Type (Supplier-Oriented, Buyer-Oriented, and Intermediary-Oriented), By Application (Home & Kitchen, Consumer Electronics, Industrial & Science, Healthcare, Clothing, Beauty & Personal Care, Sports Apparels, Books & Stationary, Automotive, and Others), and By Region - Market Scope, Opportunities & Forecast, 2020-2027