zhè / piān / wén / zhāng / rèn / wéi / rì / yǔ / yě / kě / yǐ / zhǐ / dì / wáng / jū / zhù / de / gōng / diàn这篇文章认为,日宇也可以指帝王居住的宫殿。This article argues that 日宇 can also refer to an imperial palace.