479. Televisions and telescopes give the visitors visual ability to see the casual casualty.

电视和望远镜给了来访者视觉的能力来看偶然的事故（伤亡人员）。

So far, one species of sea urchin has also been shown to have this visual ability without true eyes, and it, too, changes color.

到目前为止，有种海胆也被证明具有这种视觉能力，但它没有眼睛，而且也会变色。

Maybe AI doesn't have the visual ability to identify goats, say, but it can just hire a human to do it, via TaskRabbit [an online marketplace for hiring people to do small jobs].

也许人工智能不具备识别山羊的视觉能力，但它可以通过 TaskRabbit（一个雇用人们做小工作的在线市场）雇佣一个人来完成这项工作。