It is still necessary to distinguish the business of the company. If it is a sales company, the turnover of employees is very high. If it is a technology company, the boss will definitely find a way to retain core personnel.
Now the company has developed good benefits to retain core personnel. Employees will also want to leave because they are dissatisfied with the company's system, or they are not satisfied with the salary. Some employees of small companies change a group of people every week...