Anonymity problem and second hand market problem in cyber space when do a digital work e-business are discussed to surprised conclusions: No need for a special anonymity and second hand market for digital works is no meaning.

This paper starts with a brief review of the development course of second-handed housing market in Guangzhou city,and analyzes the status quo of the market,then gives a outlook on its future development.

Research on China's Second-hand House Brokerage Market Efficiency

Compared to the second-hand house direct exchange market, the second-hand house brokerage market can efficiently save buyers’ and sellers’ transaction costs with real estate brokers’ service, so it is a more efficient exchange market.

The Research of the Big 4S Marketing Pattern and Its Strategy in the Used Vehicle Market;