Learner's definition of PURVIEW
[noncount] formal
: an area within which someone or something has authority, influence, or knowledge权限；影响力范围；知识范围 -
The case is within the court's purview.这个案件在法院的管辖范围之内。
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That question is outside/beyond my purview.那个问题超出了我的知识范畴。
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The moral dilemmas of the early settlers are beyond the purview of this book.这本书没有涉及早期殖民者的道德困境问题。