obviate
🇺🇸
/ˈɑːbvieɪt/
🇬🇧
/ˈɒbvieɪt/
to prevent or avoid a problem or the need for something
Bringing your own lunch obviates the need to go out and buy food.
自分の昼食を持参することで、食べ物を買いに行く必要がなくなります。