Prospect theory is a very successful descriptive model about decision making under risk during recent several decades, it challenges the expected utility theory to fight, and even can substitute it.

前景理论是近几十年来一个优秀的关于风险下决策的描述性模型，它的出现是对预期效用理论的一个挑战，甚至可以说是对预期效用理论的一个替代。

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Personal interviews can easily end up with large volumes of descriptive unstructured stakeholder opinions which may be difficult to use in the support of decision making.

个人访谈可以轻松地结束了大量的描述非结构化的难以用在支持决策上的利益相关者的意见。

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