避开杂乱的背景，或光线过亮或过暗的色块。
Avoid backgrounds that are too busy or have very light or dark patches of colour.
像人眼一样，电子眼能够辨别不同的物体，即使它们在一个杂乱的背景下移动。
Just like the human eye Smart Eyes is able to distinguish different objects, even if they are moving on front of a busy background.
在这两张图片中我们的确距离主体够近，但是左图中杂乱的背景把海鸥掩饰了起来。
We're certainly close enough to our subject in both pictures, but the busy background on the left camouflages the seagull.
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