That information is unnecessary.

That information is completely unnecessary.

He thinks that war is a necessary evil.

He ate one apple.

This park is quiet and secluded, giving a sense of being away from the hustle and bustle of the city.

He was receiving an intravenous injection.

It is important for each person to fulfill their role.

I wonder what to make for tonight's evening meal.

I heard the voice of the evening cicada in the park.

Listening to the voice of the evening cicadas in the park, I felt the end of summer.