??2??19???????????? ?,2??19?,????????,??????????????,?????686??????????,?273?????????????

??,???????????????????????,????????????????????????????“?”,????

??????????????????????????????:?? ??“??????100????”

?? ???:273????????????????????????

????:1???????100????:2022????????

2???????

3?????????

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

5???sn??

??2??19???????????? ?,2??19?,????????,??????????????,?????686??????????,?273?????????????

??,???????????????????????,????????????????????????????“?”,????

??????????????????????????????:??