在这一点上，让我们把灯光调暗，这样我们就能看到这些幻灯片，实实在在地看看他们使用的技术。

On that note, let's dim the lights, so we can see these slides and actually look at the techniques they used.

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上面那行的原来的图形被调暗了50%并且蓝色的亮度被稍微调高了一点，以达到我们原来期望的图形效果。

The original graphics in the top row are darkened by 50% and the intensity of the blue has been increased slightly to give the graphic effect we originally desired.

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调暗灯光—光线，即使是一点点也会干扰睡眠激素，从而刺激到大脑。如果可以的话，戴眼罩或者调整一下闹钟。

Dim the lights - light, even a small amount interferes with sleep hormones and stimulates the brain. Wear an eye mask if necessary or turn the alarm clock around.

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