单项选择题
A.内化(Internalization) B.社会化(Socialization) C.组合化(Combination) D.外化(Externalization)
A.124 B.234 C.1234 D.14
A.顾客获利率(Customer Profitability) B.顾客赢取率(Customer Acquicition) C.顾客保留率(Customer Retention) D.顾客发展率(Customer Development)