The expectation is that there should be a great discrepancy between the medicated group and the control group (placebo) in the relief of symptoms being reported.
期望是得到给药组和对照组（安慰剂）关于症状缓解之间巨大差异的报告。
A structured process that identifies, analyzes, and eliminates the discrepancy between the current situation and an existing standard or expectation, and prevents recurrence of the root cause.
一个系统化的用来识别、分析和消除现状与现行标准或期望之间的差距，并预防根本原因再次发生的过程。
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