Shen Yan said "Hmm" softly, thinking of Dr. Zhang's treatment of her grandfather's body.

"William, thank you very much this time. Doctor Zhang said that after three months of treatment, grandpa's physical condition can be significantly improved. He no longer has to take a lot of bitter medicine, and he won't be woken up by pain at night."

No matter what his purpose was, he did himself a big favor this time.

She is grateful.

"You are so polite to me." His gentle ...