Printing a black-and-white negative on to colour paper produces a similar monochrome effect.

将黑白底片冲印在彩色纸上产生一种类似的单色效果。

《柯林斯英汉双解大词典》

First, get some colour paper ready.

首先，准备好一些彩纸。

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Using glue, cover paper cups with colour paper.

用胶水将彩纸粘到纸杯杯身上。

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The other two machines used colour-coded slips of paper and chips of wood to represent information.

ECONOMIST: Millennium issue

It does everything from breeding new seeds and cattle, to creating ultra-thin edible wrapping paper for foodstuffs that changes colour when the food goes off, to running a nanotechnology laboratory creating biodegradable ultra-strong fabrics and wound dressings.

ECONOMIST: Brazilian agriculture

Last May, Plastic Logic demonstrated a paper-like flexible screen capable of playing video in colour, which is achieved by placing a filter on top of the original black-and-white display.

BBC: Bend me, shape me: Flexible phones 'out by 2013'