????:1??????????:??????300?500

2?????????

3?????????vx

4???????????

5????????

???????1???2??????????? ????????:?????2025?1??????????1?,??10???????????????40??240?????????????????

???????,??????????????,????,?????????????

???,??????????,??????????,???

????????????2023?,?19%?

????????????,???????????????????2020???????,??????????????????????2021?,???????????????????????????(??????????) ????????????:???????