名詞 abstraction:

1. a concept or idea not associated with any specific instance
   同義詞：abstract
2. the act of withdrawing or removing something
3. the process of formulating general concepts by abstracting common properties of instances
   同義詞：generalization, generalisation
4. an abstract painting
5. preoccupation with something to the exclusion of all else
   同義詞：abstractedness
6. a general concept formed by extracting common features from specific examples

1. The direct address of an absent or imaginary person or of a personified abstraction, especially as a digression in the course of a speech or composition.
   呼語直接稱呼不在場或虛構的人物或稱呼擬人的事物，尤指作為演講或作文過程中的離題話
2. There is an air of abstraction in her face.
   她臉上帶著一種心不在焉的神態(tài)。
3. This is a kind of abstraction.
   這是一種抽象物。