Case change principle entitles the judge to denying the free jurisdiction of contract force on the basis of fairness principle in practice, but there are misunderstandings in legal practices.

情事变更原则实际上赋予法官根据公平原则否定合同效力的自由裁量权，司法实践中对该原则存在误解。

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At first blush, this seems like a relatively straightforward case, one of statutory interpretation and the seemingly arcane rules of legal jurisdiction.

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