青云翻译

Of this paper to explore these three aspects, namely the complexity of application and abstraction

This article is about is that these three areas, namely complexity, practical and abstract

This article needs to discuss is these three aspects, namely complexity, utility and abstractness

This article is that you want to explore 3 areas, namely, complexity, application, and an abstract of

This article is about is that these three areas, namely complexity, practical and abstract