????? ? ??? ??? ?? ??? ??? ? ?? ???(Platform)??, ?? ??? ?? ??(Accommodation Alternatives)? ?? ???(Critique System)?? ?????. ????? ????? ?? ???(Advantages and disadvantages)? ?? eleven?? ???? ???(Celebration)? ??(Provides)? ?????????.????? ?? ?? (1) ??? ?? ?? ?? ????? ??(Lodge)? ??? ???(Hostel), ???(Apartment), ??(Pension), ?? ??(Non-public House)??