Treatment

The Lu family hall suddenly became quiet.
Everyone's eyes were on them.
An old man in his sixties bowed to a young man in his twenties and called him "Master".
What kind of picture is this!
Everyone in the field was almost dumbfounded, especially Lu Xinhai, who opened his mouth but couldn't utter a word.
"What master? Stop shouting nonsense."Delfina Dawson shook his head and supported Gareth.
Gareth bowed deeply again before standing up. "Teaching and answering questions is...