utilize, business, service, use, employ

それから服を着て、講義用のメモを手さげ鞄に詰め込み、階段を駆け下りた。

Then he got dressed, stuffed his lecture notes into his briefcase, and ran down the stairs.

この部屋は要人用です。

This room is for VIPs.

私は今日はもう用がない。

I have nothing more to do today.

カメラ用の電池を下さい。

May I have some camera batteries, please?

何の用だ。

What are you here for?

一体この私に何の用ですか。

What ever do you want with me?

朝食用のパンはぎりぎり足りる。

We have barely enough bread for breakfast.

プレゼント用に包んでください。

Could you gift wrap it?

この小説は映画用に脚色された。

The novel was adapted for a film.