This "purple air from the east" story made people believe the color was a symbol of great saints from that point on.

从那时起，“紫气东来”的故事使人们相信，紫色是伟大圣人的象征。

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Today in the United States, low-income households and people of color are disproportionately affected by indoor and outdoor air pollution.

今天，在美国，低收入家庭和有色人种被室内或室外空气污染不成比例的影响。

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Light that breaks through is often a lovely color, because it is refracted by tiny droplets remaining in the air.

此时如果有阳光透进来，经过空气中残存的小雨滴的折射后，将会带有迷人的色彩。

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This gives them their color. However,when light travels from air to snow, some light is sent back,or reflected.

VOA: special.2010.01.05

When the sun is just right, rainbows of color dance in the air.

VOA: special.2009.05.25

Joel Myers, founder of what has become the world's best-known commercial weather service, AccuWeather, pioneered ready-for-air color weather graphics for TV stations and print-ready weather pages for newspapers.

FORBES: Fact and Comment

They enjoyed twice the proportion of air conditioners and color TVs, and much more of the modern advances of microwaves, DVDs, VCRs, personal computers, and cell phones, as the middle class 30 years before.

FORBES: The Equality Of Reaganomics

One wonders what color the air would be at the next policy meeting had the MPC been persuaded to address untamed inflation in light of recent reports confirming ailing economic health.

FORBES: Euro Takes A Tumble On Trichet, Buck Pops Higher