They paint images of funny flat-faced people with orange-yellow skin.

VOA: special.2009.04.08

You find that the graphs for the men and the women, the orange and the yellow lines look pretty much the same, so there don't appear to be any gender interactions until you get out here, and that's a pretty small segment of the population.

图中黄色线代表男性,橙色线代表女性,两条线相当接近,除此之外,性别之间没有太大差异,这部分人群总体并不多

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Their colors are bright red, orange and yellow.

VOA: special.2009.04.15

Now the wool is orange or yellow.

VOA: special.2010.08.02