translation.en: The last question is what everybody said, but you know, I mean, they must have poked their head over the wall and asked the people in your office, can you show me how to do it, and then somebody taught him.
translation.zh: 最后这个问题都把我们问住了， 他们肯定要把头伸到墙的另一头 来问办公室里的人 你能教我怎么操作吗，然后才会有人教他们。