Qualitative evaluation emphasizes the prediction of the cash flow of an enterprise in the future via regression analysis so that prediction can be made about the free cash flow of an enterprise. So, evaluation of an enterprise can be ascertained through reasonable rate of depreciation. 定量评估,重视企业未来现金流量的预测情况,利用回归分析等方法,预测出企业的自由现金流量,使用合适的折现率来确定企业的价值。