Fó / jīng / zhōng / cháng / yòng / xiǎo / qiān / shì / jiè / lái / shuō / míng / yǔ / zhòu / de / céng / cì佛经中常用“小千世界”来说明宇宙的层次。Buddhist scriptures often use “first-order chiliocosm” to explain the structure of the universe.