在展望价值框架下，证明了投机者的共同知识分布假设会使得投机者不能形成交易。
Under the prospect value framework we prove that speculators cannot form any trade if they share the common knowledge.
在实践过程中，要想获得全面而有价值的危险信息，必须要一些具有不同知识背景的人共同努力才行。
In practice, the efforts of several persons with varying backgrounds are usually required to assure that meaningful and comprehensive hazard information is obtained.
在实践过程中，要想获得全面而有价值的危险信息，必须要一些具有不同知识背景的人共同努力才行。
In practice, the efforts of several persons with varying backgrounds are usually required to assure that meaningful and comprehensive hazard information is obtained.
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