They are looking at the white illusion.

他们正看著白色的幻影。

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This illusion first discovered in 1870 is characterized by the "ghostlike" intermittent appearance of lightly colored gray dots that seem to connect the white surfaces and the black background.

这个错觉是在1870年首次发现的，其特点是：“诡异的”浅灰色圆点间歇性的出现，似乎连接着白色的表面和黑色的背景。

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Demarais and White tell of a client who suffered from the "spotlight illusion"—he imagined that people were homing in on his crooked teeth, which were his least favorite feature.

Demarais和White说起他们的一位有“聚光灯错觉”的病人——他总是幻想别人盯着他的龅牙看，这龅牙是他最不喜欢的特点。

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"What we have right now is an illusion created by the White House, created unfortunately with the help of many people in the media, " MacGregor says.

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They painted the remaining white cabinets a darker color, which also gave the illusion of more space.

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