Yuka Sasaki and her colleagues at Brown University set out to investigate the origins of this effect.

佐佐木由香和布朗大学的同事着手研究这种效应的起源。

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Beige, which is similar to camel, can be paired with cool fall or winter colors like black, gray, blue and even dark brown to achieve the same magical effect.

和驼色相近的米色搭配起秋冬的冷色服饰，如黑色、灰色、蓝色甚至深棕色，都可以达到一样神奇的效果。

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These are some of the reasons why, though the black carbon in brown clouds has a warming effect, the clouds' net effect is to cool the planet beneath them.

这就是为什么尽管褐云中的黑碳会产生变暖的效应，但这些云的净影响是冷却云下面的地球。这是一部分原因。

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In a statement, District Attorney Richard Brown said the program in effect since June 2007 no longer contains the statements cited by the court.

WSJ: NY court: Queens DA interviewing wording not legal

Last week, Mr Brown said he will, in effect, service 10% of poor countries' loans for them and called on other rich countries to do their share.

ECONOMIST: Inviting China to dinner

Mr Brown had given less prominence to what in effect was a tax rise, the abolition of the lowest tax rate.

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