One part is concrete expression and the other part is abstract expression.

一方面是具象的表达部分另一方面是抽象的表达部分。

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The sombre box, an abstract expression of human civilization in nature, is placed within a bamboo forest.

放置在竹林中的暗色盒子，是自然界中人类文明的抽象表达。

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The abstract expression of this series reflects his thought on the essence of human body in terms of artistic philosophy.

这组作品具有强烈的抽象表现特点，也是作者对人的身体本质的艺术哲学思考。

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It provided a gateway to abstract expression, historians say, changing the very definition of art.

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In this way she rescued abstract painting, making it once again an instrument of meaningful expression rather than an end in itself.

WSJ: Helen Frankenthaler | Push Past Abstraction | By Eric Gibson