C106 Real Source of Disease

"You're a patient?"

Zhang Yang walked straight into the pavilion and looked straight at the old man. His expression did not change at all. His tone was calm like water, and there was even a hint of impatience in his eyes that quickly disappeared.

"Hahaha …"

Suddenly, Uncle Jiang started laughing out loud without any warning. He was full of energy and it was impossible to tell that he was sick