In a resected thyroid specimen, gross and microscopic pathology of papillary thyroid carcinoma vary from case to case.

在切除甲状腺标本中，大体和镜下病理特点可以各不相同。

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Since these factors may vary from case to case, it would be impossible to apply a uniform standard such as a fixed percentage, in each case.

由于这些因素可因情况不同而不同，无法对每种情况适用一个统一标准，如一固定的百分比。

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The definition of "end user" and "outcome" can vary -- an end user might be an automated subsystem, for example, and the nature of the outcome can vary radically from use case to use case.

“最终用户”和“结果”的定义可以多种多样 --例如，最终用户可能是自动化子系统，而结果的种类也可以随着用例的不同而有着根本上的不同。

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The benefits of self-disclosure vary from case to case.

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