We may talk of beautiful things but beauty itself is abstract.

　　我們盡可談論美的事物，但美本身卻是抽象的。

　　It is easier to think in concrete terms rather than in the abstract.

　　結合具體的事物來思考要比抽象思考容易些。

　　The research shows that preschool children are capable of thinking in abstract terms.

　　研究表明，學齡前兒童具有抽象思維的能力。

　　She abstracted the main points from the argument.

　　她把論證概括成要點。

　　In the exhibition, abstract paintings are juxtaposed with shocking photographs.

　　展覽會上抽象畫與令人震驚的照片并列展出。