Do you tell yourself they can be green and maybe even other colours too?

你是否会告诉自己它们可以是绿色，甚至也可以是其他颜色？

Smartphone apps like 'BeMyEyes' allow blind users to find lost keys, cross busy roads and even colour match their clothes.

像" BeMyEyes" 这样的智能手机应用程序可以让盲人用户找到丢失的钥匙，穿过繁忙的马路，甚至可以为他们的衣服搭配颜色。

With cattle susceptibility to the attacks of flies is correlated with colour, as is the liability to be poisoned by certain plants; so that even colour would be thus subjected to the action of natural selection.

牛对苍蝇攻击的敏感性与颜色相关， 就像被某些植物毒害的可能性一样；因此，即使是颜色也会受到自然选择的影响。