大多数投资人对基金的期望是能稳定地获取略高于银行存款利息的收益。那么如何在基金收益率水平不确定的前提下 ,尽量提高实现稳定收益率的可能性 ,是基金产品设计者必须要考虑的问题。基金的收益率水平正向取决于投资收益 ,负向取决于基金的运营费用。投资收益具有不确定性 ,? Most investors expect the fund to be able to stably earn slightly more than interest on bank deposits. So how to raise the possibility of a stable yield as far as possible under the premise of the uncertainty of the fund’s return rate is a question that the fund product designer must consider. The level of the fund’s return is positively dependent on the return on investment, depending on the fund’s operating expenses. Investment income is uncertain,?