Sapphire Toys actually sells more than toys. It also sells branded clothing, music CDs, and books for children. This expansion of dealership sales offerings is an attempt to increase the value of the customer base by ________.
A. reducing the rate of customer defection
B. increasing the longevity of the customer relationship
C. enhancing the growth potential of each customer through cross-selling
D. making low-profit customers more profitable
E. terminating low-profit customers
下列药物中，善治痰热证的药物是
A. 竹茹
B. 浙贝母
C. 瓜蒌
D. 胆南星
E. 禹白附
LifeTime Insurance screens its customers and tries to get unprofitable customers to buy services from competitors. This is an example of ________.
A. trying to increase the retention rate for low-profit customers
B. terminating the relationship with low-profit customers
C. enhancing the growth potential of each customer through up-selling
D. increasing the longevity of the customer relationship
E. reducing the rate of customer defection
天南星具有的功效包括
A. 清热化痰
B. 燥湿化痰
C. 祛风止痛
D. 降逆止呕
E. 消肿止痛
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