为了消除这种效果，可以在闪光灯灯头上加一片不透明材料或黑色塑料泡沫板做的遮光片，以阻挡扩散的光线照射到被摄体。

To eliminate this effect, you can place a small piece of opaque material or black foam just long enough to block the direct part of the light from hitting your subject.

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她说，躲避光线的能力确实有助于消除病症。

She said that the ability to escape light did help remove the symptoms.

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对于数码相机而言，你可以使用白平衡功能来消除或强调光线的颜色。例如可以增加风光或人像照片中的暖色调。

With digital cameras, you can use the white-balance control to neutralize color casts or to emphasize them-for example, to add a warmer tone to a landscape or portrait.

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