?????? one. ???? ???? ?? ????? ????? ??? ???? ??? ??? ?? ?? ? ????. ??? ???? ?? ??? ??? ?????: one??? (??): ? 50,000? ~ 70,000? three??? (??): ? 130,000? ~ a hundred and eighty,000? six??? (?? ???): ? 250,000? ~ 300,000? ??? ?? ? ???? ?? ??? ??? ??? ? ??, ?? ??? ???? ??? ?????.