Denim: Durable twill-woven fabric with coloured (usually blue) warp (lengthwise) and white filling (crosswise) threads, also sometimes woven in coloured stripes.

粗斜棉布：俗称劳动布。耐用的斜纹组织织物，以彩色（通常是蓝色）经线和白色纬线织成，有时也织成彩色条纹。

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The U.S. receptions marking Independence Day usually feature symbols of Americana, such as hot dogs, red-white-and-blue decorations and remarks by U.S. officials about America's founding fathers.

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"Keep one color basic and the others bright, " she says, noting that white and blue tends to work better for casual occasions such as seaside affairs, while white and black is usually crisp enough for work or evening events.

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