This algorithm was developed for optimization.

We need to optimize this process.

He is good at composing music phrases.

Kichimu is filling my heart.

This room is covered with soundproofing material, so the sound doesn't leak outside.

She sent him a message.

Please relay my feelings to him.

I think that investment is risky.

Each word and each phrase he said was deeply engraved in my heart.

The courtesans of the Edo period were women who combined art and education.