profitable business ventures The determination of this ratio mainly depends on the supply and demand relationship between the two sides and the competition. In general, the interest rate falls when the supply exceeds demand. Interest rates rise when demand exceeds supply. In addition, law, habit and so on also have a larger role. Marx's theory is of guiding significance to explain the question of interest rate decision under socialized production. Investors are confused and lost on the way forward, the confusion and bewilderment itself will keeps everyone to learn, so investors are eager to learn has been exist, is the power of the instinct of the profit will lead us to learn. It is not easy to learn the key question is: futures, its difficulty may not be less than the difficulty of the transaction, this kind of difficult to make a lot of people were forced to study only a period of time, that then is in a state of flow for a long time, but it is difficult to further more in-depth study. Point 3: look at the process. The trust process of p2p platform is not strict, including the borrower's identity review, professional evaluation investigation, comprehensive audit risk, mortgage notarization, etc. We have been using internet banking for quiet sometimes now. Even though there were internet banking security breach occasions, but the percentage is extremely small. People has learned to be very careful and protecting themselves when working with internet banking. Internet banking users are smart people and they discover how to protect their computer from malware and hacker containing the opportunity to interrupt within their internet bank-account.