[单项选择]
E-commerce
The term e-commerce refers to all commercial transactions conducted over the Internet, including transactions by consumers and business-to-business transactions. Conceptually, e-commerce does not
(51) from well-known commercial offerings such as banking by phone, "mail order" catalogs, or sending a purchase order to supplier
(52) fax. E-commerce follows the same model
(53) in other business transactions; the difference
(54) in the details.
To a consumer, the most visible form of e-commerce consists
(55) online ordering. A customer begins with a catalog of possible items,
(56) an item, arranges a form of payment, and
(57) an order. Instead of a physical catalog, e-commerce arranges for catalogs to be
(58) on the Internet. Instead of sending an order on paper or by telephone, e-commerce arranges for orders to be sent
(59) a computer network. Fin
A. largely
B. slightly
C. solely
D. only