??? ????, ?? ??? ?? ? ?? ? ??? ? ????. ??? ????? ??? ??? ???? ?? ??? ??? ?? ??? ???.“???????????????????????”???????????? ?? ???? ???? ? ???? ??? ???? ??? ? ? ??, ?? ??? ??? ?? ?? ??.??“??”?????????????“????”?“??”?????????????????“??”????To begin with, the demand for check seats was better than availability, and candidates neede