Brown is the new black.

棕色取代了黑色变得时髦起来。

《牛津词典》

There are black bears and brown bears.

有黑熊，还有棕色的熊。

youdao

Although this is the average, people with red hair have around 80,000 strands, black or brown hair 100,000 and blondes have about 120,000.

尽管这是平均水平，但红头发的人大约有8万根头发，黑发或棕发的人大约有10万根，金发的人大约有12万根。

youdao

Yellow or brown areas shaped like the letter V on leaves may be a sign of black rot infection.

VOA: special.2009.03.03

And here in the middle of the page a little ways down: My love's striped black-and-white cotton frock, jaunty blue cap, white socks and brown moccasins were not quite in keeping with the large, beautifully cut aquamarine on a silver chainlet which gemmed her throat, a spring rain gift from me.

在这一页中间偏下的地方：,我的小情人穿着黑白条子的棉布裙，带着鲜艳的蓝色帽子，白袜子和亮皮鞋与她脖子上那条优美的,蓝宝石项链有些不协调,这是由于那场春雨我送给她的礼物。

耶鲁公开课 - 1945年后的美国小说课程节选

Brown and green liquid flowed into the water and black smoke filled the sky.

VOA: special.2009.07.13

They were discussing how we all might better advance the story of black-brown unity as opposed to black-brown conflict.

NPR: What Will Be African-Americans' Political Destiny?

Ms. ERIN AUBRY KAPLAN: For the last year I've had many thoughts about the whole black-brown crisis.

NPR: What Will Be African-Americans' Political Destiny?

In the 2010 census some 51% of Brazilians defined themselves as black or brown.

ECONOMIST: Race in Brazil