に済む

manage to avoid; not have to do

→ に
phrase Rare #22,898
manage to avoid; not have to do Usually follows a negative verb form, as in せずに済む, to express avoiding something or not having to do it.
JA: 事前に連絡しておけば、当日説明をせずに済む。
EN: If I contact them in advance, I won’t have to explain things on the day.