例如，如果有彩色显示器时，可能想用不同颜色来表示银行帐户的余额，如果余额为正，则用黑色数字，如果余额为负，则用红色数字。

For example, whenever you have a color display you might want to render balances for a bank account as black Numbers if they are positive, and as red Numbers if they are negative.

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这次发售的唯一一款QTECH电脑以灰黑色调为主，配备了DVD播放机，笨重的CRT显示器，以及黑色的键盘和鼠标。

The gray and black QTECHs, complete with DVD players, bulky CRT monitors and standard-issue black mice and keyboards, are the only model available.

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红色、绿色和蓝色更深，黑色比其他产品深4倍，白色可调。 HP DreamColor 显示器全球发售，它在美国的售价为3,499美元。

Reds, blues and greens are visibly deeper, blacks are four times darker and whites are adjustable.

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