The duration is about 6 months. Employees need one day to go to class a week, and they take turns to go to class, so that it will not affect the restaurant's influence, and the staff can also learn some knowledge
It lasts about 6 months. One week, the staff need to attend the class one day in turn. In this way, the influence of the restaurant will not be affected. Besides, the staff can also learn some knowledge<br>