?????? one. ???? ???? ?? ????? ????? ??? ???? ??? ??? ?? ?? ? ????. ??? ???? ?? ??? ??? ?????: 1??? (??): ? fifty,000? ~ 70,000? 3??? (??): ? 130,000? ~ a hundred and eighty,000? 6??? (?? ???): ? 250,000? ~ 300,000? ??? ?? ? ???? ?? ??? ??? ??? ? ??, ?? ??? ???? ??? ?????. two.