This trade deals with a very rare type of goods.

Trading this rare mineral is very difficult.

He was dreading the result.

He complained of chest pain.

He has a wide range of education.

He studied deeply about communism.

We have to cooperate to make the project successful.

Immediate assistance is needed because the war situation is deteriorating.

The doctor told him that there was fluid accumulating in his thoracic cavity.

After listening to his story, I deeply sympathized.