Investment refers to a person or more people to put money or technology into a certain industry, often more risky, but better returns, suitable for people with strong capital and certain skills. (Investment is often their own and others are equal or higher than the status of others) and join is to refer to their own and others *** with the cooperation, often invested less money, the technical requirements are not high, suitable for the lack of funds, stable income, but the return is not as good as the investment. (Franchise is often their own is small, others are large)