Stick to only one color of nail polish.

指甲扮靓的原则是坚持单色调。

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If you do not wish to have a brooch in only one color, multi-gemstone brooches are also available.

如果您不希望有一个胸针只有一种颜色，多宝石胸针也可提供。

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A monochrome monitor displays only one color on the screen. It is possible white or more eyepleasing green.

单色显示器屏幕上仅显示一种颜色，这可能是白色或是一种更悦目的绿色。

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If you start a path of one color you must continue to use only toe and handholds marked with that color.

VOA: special.2009.12.09

The Kindle comes in only one color, white, and has rounded edges, like a really big aspirin tablet.

FORBES: Why Kindle Will Have To Change

Though, only one color at a time.

ENGADGET

"Sometimes you don't get the full appeal of a phone if you only launch with one color, " explains Rabbani.

FORBES: What Your Cellphone Says About You