产品或服务给顾客带来的全部利益与他为此所需要付出的全部成本之差称为( )。
A．顾客满意度
B．顾客认知价值
C．企业利润
D．顾客期望
参考答案：B
—May I speak to Tom?
—Sorry, he isn’t in now. What’s up?
—＿＿＿.
—Sure, go ahead.
A. May I take a message for him?
B. May I leave a message?
C. Hold on, please.
