What is the main idea of the first paragraph?
A.Make a comparison between tapping the consumer market and business-to-business.
B.The shift of the focus of business on Web.
C.Consumer market is inferior to business-to-business.
D.Business-to-business marketing on the Internet can make more money.
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!