例句：
Abstract art is an acquired taste.
要慢慢培养才会欣赏抽象艺术。
It's not a question of some abstract concept of justice.
这不是一个有关正义的'某一抽象概念的问题。
A modern abstract painting takes over one complete wall.
一幅现代抽象画占了整整一面墙。
We may talk of beautiful things but beauty itself is abstract.
我们尽可谈论美的事物，但美本身却是抽象的。