People in the workplace think that saying "ha" at the end of a sentence will master the spiritual code of communication with Party A. The first step for Mr. Liu to cultivate new people in the office is to implant "ah, what, ha, you, yo" into his public relations language chip. Among them, "ha" is the most essence, which can convey two essential qualities of social animals at the same time: respect and humility. Of course, this "ha" is also widely applicable to the relationship between superiors and subordinates and colleagues.