Use color only when needed to serve a particular communication goal.

颜色的应用应有意义，服务于特定的交流目的。避免随意、无目标。

youdao

The active color component. This attribute applies to the active color only.

当前颜色部分。此属性仅仅应用于这当前颜色。

youdao

I'll strand long strings of beads for you, blue, the color only Kings may wear.

我将串起长长的蓝玻璃珠链，那属于国王的色彩。

youdao

The image of the Butterfly nebula shows the intense color and detail that only Hubble can provide with such clearness.

VOA: special.2009.09.30

So I had only known people of color. I only knew black people or Nigros as we called ourselves then or we are called.

所以，我所认识的人,就只有黑人而已,那时我们自称“黑鬼“,大家也都这么叫我们。

普林斯顿公开课 - 人性课程节选

And in fact, when it's the only person just about everybody helps regardless of the color of the person in trouble but when you're with other people there's a big difference.

事实上，在一个人的情景里，任何人都会出手相救,不管陷入困境的人是什么肤色的,但当你旁边有其他人时，那差别就大了。

耶鲁公开课 - 心理学导论课程节选

Previous versions of the device offered color only on the bottom half of a dual-screen.

FORBES: New NOOKcolor E-Reader 'Nails It'

Some states wore their color only on the basis of a few hundred or thousand votes, but the differences between the two categories were striking.

FORBES: ZOGBY: Border Crossings and US Public Opinion: There Is Consensus On Health Care If Anyone Cares to Look

Many French horns, for example, are made of nickel silver, an alloy of copper, zinc, and nickel (it's silver in name and color only), and some are made of nickel bronze, an alloy of copper, tin, and nickel. (Brass itself is an alloy of copper and zinc.) Many brass instruments are silver-plated (sterling silver on brass), and some are gold-plated.

NPR: Young Tuba Player Gets Nod from Phila. Orchestra