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 1 from well-known commercial offerings such as banking by phone， "mail order" catalogs， or sending a purchase order to supplier 2 fax. e-commerce follows the same model 3 in other business transactions； the difference 4 in the details.
to a consumer， the most visible form of e-commerce consists 5 online ordering. a customer begins with a catalog of possible items， 6 an item， arranges a form of payment， and 7 an order. instead of a physical catalog， e-commerce arranges for catalogs to be 8 on the internet. instead of sending an order on paper or by telephone， e-commerce arranges for orders to be sent 9 a computer network. finally， instead of sending a paper representation of payment such as a check， e-commerce 10 one to send payment information electronically.
in the decade 11 1993， e-commerce grew from an 12 novelty （ 新奇事物） to a mainstream business influence. in 1993， few 13 had a web page， and 14 a handful allowed one to order products or services online. ten years 15 ， both large and small businesses had web pages， and most 16 users with the opportunity to place an order. 17 ， many banks added online access， 18 online banking and bill paying became 19 . more importantly， the value of goods and services 20 over the internet grew dramatically after 1997.