He can think about things with common sense.

He is immersed in miscellaneous studies.

This book is in 10 volumes.

If you rephrase that complex theory in simpler terms, it's just common sense.

He daringly accepted the challenge.

Caseous necrosis was found in his lungs.

The police are conducting an investigation at the scene.

The landlady showed us to our room.

His words always resonate in my heart.

During the Yuan dynasty, Chinese culture developed greatly.