Mold is usually green, white, black or gray.

霉菌通常为绿色、白色、黑色或灰色。

youdao

Wear a blue hat with a blue or gray suit or coat.

穿蓝色或灰色的外衣，戴蓝色的帽子。

youdao

The word appeared on a red, blue, or gray background.

屏幕的背景色在 红 、 蓝 或者 灰 色之间切换。

youdao

At Arlington, six black or gray horses pull caissons made in nineteen eighteen.

VOA: special.2009.05.25

And of course, since it's not just black and white, good life or bad life, but various shades of gray, better lives and worse lives, what's the yardstick by virtue of ? which we measure better and worse lives?

因为不是单纯的黑白，好或坏的人生，两者是混杂的，更好的人生和更坏的人生，衡量更好和更坏人生的,道德标准是什么？

耶鲁公开课 - 死亡课程节选

He would be quite famous in his line of work. Whether Magda was his wife or not, one evening when he was wise-lined and gray at the temples he'd smile gravely, at a fashionable dinner party, and remind her of his youthful passion.

他会在他的行业中变得相当有名，不管Magda是否,成为他的妻子，等他有了智慧的皱纹，两鬓斑白了,他会有天晚上在一次上流社会的晚宴上，庄重地微微一笑,对她提起自己少年时代的钟情。

耶鲁公开课 - 1945年后的美国小说课程节选

In the U.S., where tastes are different, Hello Kitty can be purple, green or gray.

CNN: PRETTY IN PINK SLUMP

Expect this A02 -- which is also available in blue or gray -- to hit the Japanese market in mid-February.

ENGADGET: HTC-made au Infobar A02 launches in Japan, wraps unique Android UI in trippy body

When students were given creativity tests, those whose test-cover pages had a green background gave more creative answers than those whose pages were white, blue, red or gray.

WSJ: Tactics to Spark Creativity