One in eight men are colour blind to either blue, red or green and most have little ability to match patterns and designs.

八分之一的男人对蓝色、红色或绿色色盲，大多数男人几乎不能匹配图案和样式。

youdao

Sharks may be able to smell blood from miles away, but they probably don't know how red it is: New research suggests sharks are color-blind.

鲨鱼可以在数英里外就嗅到鲜血的腥味，但是他们很可能并不知道血是红的：最新研究表明，鲨鱼其实是色盲。

youdao

Amber LEDs, for example, are the easiest to read for colour-blind passersby, while many municipalities are banning red.

例如，琥珀色的LED对色盲路人是最易识别的，然而许多自治市却禁用红色。

youdao

With help from signals from roadside markers and traffic lights, in-car computers will be able to determine if a car should slam on the brakes, alert the driver to a passing vehicle in the blind spot or slow for a red light up ahead that another driver isn't heeding.

FORBES: Car Talk

In 2007, an internal report for Transport for London concluded women cyclists are far more likely to be killed by lorries because, unlike men, they tend to obey red lights and wait at junctions in the driver's blind spot.

BBC: Are women cyclists in more danger than men?

And the Tongan blind-side then put his side in deep trouble as he was red-carded following a forearm smash to the face of a Samoan with nine minutes to go.

BBC: Samoa 15-19 Tonga