Economists think of knowledge, unlike physical goods, as "non-rival" : use by one person does not necessarily preclude use by others.

经济学家认为知识并不像有形产品，是具有非竞争性的：一个人使用并不会排除他人使用。

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The people with the appropriate domain knowledge are often non-technical.

具有适当领域知识的人常常是非技术人员。

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These non-verbal areas require little maturity or knowledge of human nature, but a quick ability to perceive patterns, logical rules and linkages.

这些非语言的领域，要求的不是成熟度或是对人性的了解，而是对于规律、逻辑、和联系的迅速察觉。

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but also very non-affrontively, express a lack of complete knowledge

又不冒犯地表达对某事不完全清楚，

I don't know 课堂 - SpeakingMax英语口语达人

Despite the unsettling notion of a technology that lets anyone download a lethal weapon as easily as an pirated episode of Game of Thrones, regulating 3D printing to prevent gun printing would be both counterproductive and ineffective, argues Michael Weinberg, an attorney with the non-profit Public Knowledge who focuses on the legal issues around 3D printing.

FORBES: 'Wiki Weapon Project' Aims To Create A Gun Anyone Can 3D-Print At Home

Many of these gains are shared today by non-unionized labor and knowledge workers.

FORBES: What Labor Unions Can Learn from Corporate CSR

To assert it is an art is to assert a deficit of knowledge of what valuing non-private companies entails.

FORBES: Valuing Private Companies Is An Art, Not A Science