Nouns used as adverbials are sometimes considered as "nouns used flexibly as adverbs", and as a kind of flexible use of parts of speech, they are sometimes considered as preposition ellipsis.
1. Edition (nouns "Chao" and "Xi" are adverbials of verb predicates "Ji" and "She" respectively, indicating time: "morning" and "evening").
2. Both sides are blocked. (The position noun "East" is the adverbial of the verb "Feng", and the position is in the east) "Candle defeated Qin".