Good service and good technology. It's not enough to keep up the show with a few pretty faces. But then again, there are all kinds of people, mainly depending on what the guests like. Generally speaking, there are guests when there are technicians. As a boss, we should take a long-term view and be kind to technicians. The guests come for technicians and service quality. Technicians are hard to find now, so we must stabilize and retain technicians, and pay special attention to service quality. There are many objective factors in doing business well. I will tell you two important reasons.