(Since the popularization of the Internet, surfing the Internet has become the usual way of doing business, and doing business on the Internet has naturally become the primary way to run business. The traditional business model will gradually retreat to the second line. This article will discuss the definition of B2B office portals, market research , Conduct a comprehensive analysis of the project in terms of website construction, promotion, profitability, prospects, etc. 1. What kind of website is a B2B (B2C) office portal?)