Frequent resignation of employees is not only a problem of employees, but also a problem of the company itself. Of course, if the employees of a company or a department leave frequently, it may not be just the employees' reason.
At work, when we face promotion and salary increase, we might as well give up the me-centered thinking: "Why not me", but spend more thinking on the people or things around us: "Why him?"
According to McKinsey, people usually remember one, two, three, but not four, five, six, so everything should be summarized in less than three. This is now widely circulated in the business world "30 seconds elevator theory" or "elevator speech".