3. the americans may have a party on one occasion in several houses at a time. the party starts in one house where they have some light wine and snacks, and then move on to another house and still another, traveling from house to house, so 3 or 4 houses are involved in the party. such a party is called progressive dinner. нормальный перевод,без переводчиков гугл или яндекс(и им подобным),заранее