世界上没有沟通不了的客户
No communication is not the world's customers
坚持不一定成功，但放弃一定失败
Not necessarily adhere to success, but to give up a certain failure
胜则举杯相庆，危则拼死相救
The wins are celebrating, risk is desperate to rescue
今天的努力，明天的结果
Today's efforts, the outcome of tomorrow
如何处理议价问题
How to handle the bargaining problem
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