10?? ??? ????? ?? 700??, 800?? 2? ? ??? ??? 2021??? 807.84??? ?? ???? ?? 5?? ????. “??? ??? ???? ????? ? ????, ???? ??? ??? ?? ??? ???? ??? ?? ???? ????????? ??? ??? ??? ??? ???? ???? ? ?? ?? ??? ?? ? ??? ?????.” ????? ?????, ????? ??? ??? ????? ??? ???.

??? ??? ???? ‘????? ?? ????, ????? ?? ????’??? ?? ?? ???? ?????????? ????? ??，????? ???????? ‘??????’ ??????? ???? ????. ????? ??? 8500?? ???? ?????? ??? ??? ?? 4000???? ????. ????? ??? ?? ??? ?? ???? ‘????? ???’? ???? ?? ????.

20? ??? ??? ??? ? ?????? 20? ??? ??? ??? ???? ???? ???? ??? ???? ??? ??? ??? ??? ????? ??? ???? ????. “????? ??? 20? ??? ??? ????? ?????? ??? ??? ????? ????? ???? ??? ???.” ??? ???.