But Mrs. Blair had objected to the presence of the Rosas whether in fancy dress, or in their usual garb, and Mrs. Barlow had succeeded in making Brenda see that it would not be the best thing in the world for the Rosa children to be introduced to what must seem to them a scene of great luxury in a Back Bay house, even though it might be explained to them that part of the gorgeousness was due to a desire to help them--the special gorgeousness, I mean, of the Bazaar.