The online retailers used to win over traditional retailers by offering ______.

A．Mypoints' incentive plans of promoting sales
B．online retailers' marketing strategies and means
C．the development of new facilities for promoting sales
D．Email and E-commerce

A．produce exhaustive precise information about the sale
B．offer broad and general shopping guidance
C．find the product you want or suggest an alternative
D．end up with a lot more good choices for you to make