Language is the tool of expression and rhetoric is the art of expression.

语言是表达思想的工具，而修辞是语言表达的艺术。

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Analyzing his speech language, we find his art of expression mainly is simple, frank and sincere.

分析其讲话语言的表达艺术，主要体现为朴实无华，坦率诚恳；

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At a time of limited means of expression, snow was like free art supplies dropped from the sky.

在表达方式有限的时代，雪就像从天而降的自由艺术品。

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This powerful form of creative expression usually involves art made outside the limits and rules of official culture.

VOA: special.2010.04.14

But others see this art as a rich form of non-traditional cultural expression.

VOA: special.2009.04.08

She also enjoys the freedom of expression which street art permits.

VOA: special.2009.04.08

"It's adrenaline, art, freedom of expression, " she says.

CNN: Wall art masquerades as class war

There was a sweeping dismissal of emotional expression and of art that represented the capacity to take great pains to achieve Classical refinement and beauty.

WSJ: Saint-Sa?ns and His World | Bard Music Festival | A Rich and Fertile Legacy Too Long Misunderstood | By Barrymore Laurence Scherer

Two dimensional computing hints at the possibility of true right-brained expression (outside of the art world).

FORBES: The Tablet Endgame and the Touch-Tinker Web