That dream has being long gone since I came to the cities of modern world where we build walls and roofs to limit our vision where we light up the sky to mask true light.

自从我来到现代世界的各个城市以来，那个梦已经消失的无影无踪了。在这些城市里，我们建造了高墙和屋顶来限制我们的视觉，而且我们点亮天空以便掩饰真正的光线。

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We are going to mask out the top and bottom of the planet to make it look like it is fading into the darkness at the top and into the light at the bottom.

我们将要把行星的顶部和底部遮住，以使它的顶部看起来渐隐于黑暗中，底部渐隐于高光中。

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They create a black and white mask of the contribution of each single light, allowing us to boost or decrease the intensity and color correct separately every single light source.

它们给每束光创建了一个黑白遮罩，可以允许我们增加或减少亮度，并给每束光源单独纠正颜色。

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It doesn't take much to tear off their flimsy mask of sweetness and light.

CENTERFORSECURITYPOLICY: Unmasking the "International Community"

In a process similar to printing a photograph, engineers beam high-powered light through a mask-like image of the chip, creating a duplicate on a silicon wafer.

FORBES: Trick of the Light

The material is exposed to ultraviolet light through a mask patterned with the outlines of cells.

ECONOMIST: REPORTS