Original sentence: In commercial flight, buy on board (BoB) is a system where food or beverages are not included in the ticket price but are paid for on board
Edited sentence: According to Joe Brancantelli of Portfolio.In commercial flight, buy on board (BoB) is a system where food or beverages are paid for on board; often food or beverages are not included in the ticket price for certain fare classes.com, the competitors of US Airways admitted that charging for food and snack boxes does not increase profits; Brancatelli explains that airlines say that because they now charge for food and snacks, they no longer "lose" money by providing meals at no additional cost to economy class passengers