He became part of the dark side, and ended up fighting against his former comrades.

He is majoring in economics.

He is a renowned economist who has written many important papers.

He is facing economic problems.

The government has announced a new budget plan.

The extinction of dinosaurs is a part of Earth's history.

He passed the exam by cheating.

This month's expenses are high, and my wallet is in a pinch.

I love eating dried squid.

He used the word 'mede' to express his old-fashioned love for her.