举个例子，你学到了在阳光很强的时候把拍摄人物放到阴影处来拍，但发现背景仍然有很强的阳光。
Let’s take a situation. You learned from someone to place people in the shade on bright sunny days.
教徒人物被推到一边，多角度布满画的空白和发出的光线创造了阴影。
The figures of the apostles are pushed to the side, angles inhabit the margins and a burst of light creates severe shadows.
为了得到多余阴影的选区，现在我们要从现有选区中减去人物的轮廓。
Now in order to have the exact shadow we need to subtract the contour of our guy from the remaining selection.
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