The "halo cloud" was just an optical illusion caused by sunlight hitting a cloud at just the right Angle.

“光环云”是由阳光以恰到好处的角度触及云层而引起的一种光学错觉。

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Oil smoothes the water surface, making it a better mirror: more sunlight is reflected back to the observer (the satellite) at the same angle as the incoming sunlight (right).

油污使水面变得平滑，让它更接近于一面镜子：更多的入射日光被反射回处于同一角度的观测器（卫星）。

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Cool-headed meteorologists were quick to put the story to bed: it was just an optical illusion, the cause of sunlight hitting a cloud disturbed by wind or plane traffic in just the right way.

头脑冷静的气象学家很快把这件事搁置起来：认为它只是一种光的幻觉，起因于阳光击中了一朵云彩，刚好能以一种合适的方式被风或飞机交通而使人感到不安。

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The sunlight that shone upon children who had,at last,the right to play.

VOA: special.2010.08.01

Murphy tied it in the second with a two-run double, a liner that right fielder Carlos Beltran lost running out of the shadows into a patch of sunlight in right.

WSJ: Wigginton dash boosts Cardinals past Mets 6-3

They really thought they were right, but they didn't let enough sunlight into their thinking process to really have the kind of debate that needs to take place when a serious decision occurs like that.

CNN: Hillary Clinton: No regret?on Iraq vote

Outside spending on the race is roughly evenly divided between left and right, though conservatives have gained a slight edge recently, according to the Sunlight Foundation.

WSJ: Colorado Race Is Case Study of Outside Money