He studied deeply about communism.

He has a rare synaesthesia where he hears sounds when he sees colors.

I am studying Japanese.

We prioritize customer satisfaction above all else.

We will do our best to solve this problem.

Their relationship is codependent, they depend on each other.

He and I share a lot of things.

This alloy has a eutectic composition.

She can speak both languages fluently.

He learned about the concept of synergism in theology class.