Teaching robots to walk used to involve a lot of trial and error.

过去，教机器人走路需要大量的反复试验。

And you hear about cucumber farmers who are teaching a robot how to sort cucumbers.

你听说黄瓜农民正在教机器人如何对黄瓜进行分类。

Researchers have developed a new system for teaching robots concepts by presenting them a pair of images and having them figure out how to transform one to the other in real life.

研究人员开发了一种新系统，通过向机器人展示一对图像并让他们弄清楚如何在现实生活中将一个图像转换为另一个图像来教授机器人概念。