基本解释[经济学]客户预期贡献英汉例句双语例句Secondly, the study is made on the two important drive factors of customer equity: customer lifetime cycle and customer prospective profit.其次，分析了驱动客户资产的两个重要因素，即客户生命周期和客户预期贡献。customer prospective profit更多例句专业释义经济学客户预期贡献