Sometimes a sudden shift in color can be used to startle potential predators or threaten intruders.

有时候，色彩的快速变换可以用来惊吓掠食者或威胁入侵者。

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Dr. Neitz, who conducts his research with his wife Maureen, said only women have the potential for super color vision.

奈茨博士和他的妻子莫林共同进行这项研究，他说，只有女人才有可能拥有有超颜色视觉。

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In a matter of minutes, they have to estimate potential yield and quickly assess the quality of the beef, based on factors such as color, brightness, firmness and texture.

根据颜色、明暗、紧实度和纹理等条件，他们需要在数分钟之内估算出其产肉量、并迅速的评估牛肉的质量。

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He said this year he was also not surprised by the decided overall lack of diversity because there was no early buzz about any actors of color as potential nominees.

CNN: Cover story: Where's the diversity at the Oscars?

Combined with location, age and other info, this data unlocks an array of potential visualizations color-coded by different categories, letting you see patterns you might not have noticed before.

ENGADGET

Islamic tradition allows for women to show a modest amount of hair from under the veil, just enough for a potential husband to assess her hair color.

WSJ: Young Women's Elaborate, High-Rise 'Camel Hump' Hairstyles Turn Heads in Dubai Malls