Complex sentence: As a result Nanny herself is very urban and sophisticated, with a cynical sense of humor about the social milieu she works in and its inhabitants, in contrast to Annie, who has no experience of it.
Split into simpler sentences: As a result, Nanny herself is urbane and sophisticated, with a cynical sense of humor about the social milieu she works in and its inhabitants. This is in contrast to Annie, who has no experience of it.