I'll draw a tree and you can colour it in.

我来画一棵树，你给它涂上颜色。

《牛津词典》

Everything you photograph is composed of shapes. You cannot photograph a tree, you can only photograph a form and colour that conveys the visual information of a tree.

你拍摄的图片都是由形状组成的，你无法拍摄一棵真正的树，你只能通过拍摄树的形状和颜色来传达一棵树的视觉信息。

youdao

Only the man who lives under the tree knows that the chameleon can appear in various colours, and he knows, further, that the animal at times has no colour at all.

只有住在树下的人会知道变色龙可以呈现出各种不同的颜色，他更进一步地了解到，这种动物有时候是完全没有颜色的。

youdao

Each storybook covered the same plot - three children and what happened when their cat got stuck in a tree - using colour illustrations and a simple text narrative.

BBC: Children shun fictional 'fat Alfie'

Our headlamps played tricks with colour, turning new spruce tips silver and making a lichen-shagged tree sparkle.

BBC: The quietest place in the US