translation.en: So this is just one experiment that we published a few years ago, where a monkey, without moving its body, learned to control the movements of an avatar arm, a virtual arm that doesn't exist.
translation.zh: 那么这只是我们几年前发表的一个实验 一只猴子，无需动自己的身体 学会控制一个机械手臂 一个不存在的虚拟的手臂