婆娑劫之拐个和尚来开荤

The reason why Mu Qingyu said this was naturally because he was worried that his father would ask too many questions and Lu Feng would reveal his secret if he was not careful. So this sentence is equivalent to telling dad not to ask any more questions. This reason is very clever, saying that Lu Feng's business is quite special. Generally speaking, special pharmaceutical business is related to trade secrets....