What makes an ABB set belong to one state versus a different ABB set from another state are the unique perspective that the set is based on and a level of abstract representation.

与来自另一个状态的不同 ABB 相比，让 ABB 系列属于一个状态的是一个独特的视角，那就是系列基于并是抽象代表的一个层次。

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In general, these work by trying to abstract away API features to a new level and then providing a generic API on top of that.

通常，它们都是通过尝试将API特性抽象到一个新层次上，然后在此基础上提供一个通用的API。

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One group thought about why we need to maintain good relationships (abstract, high-level) while the other focused on how we maintain good relationships (concrete, low-level).

其中的一组思考的是为什么我们需要保持良好的人际关系(一般性，高层次的)，而另一组则关注于如何保持良好的人际关系(具体，低层次的)。

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Languages are on high abstract level.

语言极为抽象。

麻省理工公开课 - 电影哲学课程节选

On the most abstract level this is because liquidity earns real rents, those rents are distilled by a perfectly competitive market and ultimately accrue to the owners of the irreproducible factors of production.

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