translation.en: So they may be looking at a light in the ceiling, or they may be isolated in the corner, or they might be engaged in these repetitive movements, in self-stimulatory movements that led them nowhere.
translation.zh: 有的人可能在看天花板上的一盏灯 有的人可能缩在一个角落里 他们可能不断地重复这些动作 这些自我刺激的动作毫无意义