이전부터 존재하다
To exist at or from an earlier time, often before a specific event or state.
예문:
"The legal framework for the trade agreement already preexisted the formal negotiations."
"Many of the cultural traditions preexisted the arrival of colonial settlers."
…보다 먼저 존재하다
To exist at a time prior to the existence of something else.
예문:
"The ancient bedrock preexists the surrounding sedimentary layers by millions of years."
"Researchers believe that certain genetic mutations preexist the onset of the disease symptoms."