In the world of traditional Chinese furniture， some items seem useless， but in fact they serve the residences with significant functions. Taking the screen as an example， in the modern world， the screen is not practical， because it cannot be used as seat， bed， or other furniture； however in ancient China， the screen served as an inseparable part of life.

中式家具界，有一些看似無用、實則用處非常大的物件，譬如屏風。在現(xiàn)代社會，這種不能坐、不能躺、不能用的家具，實用性幾乎為零；但在古代，屏風卻是人們生活中必不可少的家具之一。