translation.en: And he liked to do an exercise with his students where he got them to take a piece of paper and draw the person who sat next to them, their neighbor, very quickly, just as quickly as they could.
translation.zh: 他喜欢要学生做一个练习 要他们拿一张纸 画坐在身边的人，他们的邻座， 很快地画，越快越好。