What is the abbreviation of B in hotel B training?

Training B in the hotel means that the supervisor or department summarizes the problems or foreseeable problems of what employees do today, and then draws the conclusion that what needs to be improved and what needs to be carried forward. . . . . .

Buffet is the first letter of the English word buffet, which generally refers to buffet, sideboard and other things related to hotel services. . . . .