層次感英文關於「Spaciousness」標籤，搜尋引擎有相關的訊息討論：
About AIR SPACEgl.airspaceonline.com › About Us › About AIR SPACEEasy Space general lighting - iGuzziniwww.iguzzini.com › easy-space-general-lightingClassifying space of $GL_{n}(\mathbb{F})math.stackexchange.com › questions › classifying-space-of...Pilot study of simulated spac