????? ? ??? ??? ?? ??? ??? ? ?? ???(Platform)??, ?? ??? ?? ??(Accommodation Selections)? ?? ???(Evaluation Procedure)?? ?????. ????? ????? ?? ???(Advantages and drawbacks)? ?? eleven?? ???? ???(Occasion)? ??(Offers)? ?????????.????? ?? ?? (1) ??? ?? ?? ?? ????? ??(Lodge)? ??? ???(Hostel), ???(Apartment), ??(Pension), ?? ??(Non-public Residence)?? ?