Scholarliness is only an abstract mental concept, but can be reflected in concrete ways.

“书卷气”虽然只是个抽象的精神概念，却可以通过十分具体的方式表现出来。

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Language is a tough concept for robots, as words can convey the abstract as well as the concrete and robots have trouble knowing the difference (and grasping the abstract).

因为难以辨认语言所能表达的抽象或是具体的东西(亦不能理解抽象表达的意义)，所以对机器人来说语言是一个十分困难的概念。

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Thus，the anthropological concept of “culture” ，like the concept of “set” in mathematics，is an abstract concept which makes possible immense amounts of concrete research and understanding。

因此，人类学中的“文化”的概念，就像数学中“集”的概念一样，是一个抽象概念，它使得大量的具体研究和认识成为可能。

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