A、By marking down the unit price. B、By accepting the penalty clauses. C、By allowing more time for delivery. D、By promising bette

admin2022-12-28  59

问题  

选项 A、By marking down the unit price.
B、By accepting the penalty clauses.
C、By allowing more time for delivery.
D、By promising better after-sales service.

答案B

解析
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