translation.en: And so they grabbed some very simple materials, you can see, and did this role-play, this kind of very crude role-play, just to get a sense of what it would be like for passengers if they were stuck in quite small places on airplanes.
translation.zh: 因此他们取用非常简单的材料，你看。 而去做这样的角色扮演，这种很粗糙的角色扮演， 只想理解一下旅客会有的感觉 如果旅客被塞在机上的小小空间。