?????????????????:????????????????????20????????????,????????????,18?????????????????,?????????4.6%?

??,18?????????????????????,???29.7%,?????????????????????????????0.8??,???“???”?????,?,????????????????

??????????,18???,????10.7%,?????????????11.5%;??????19.1%,????

?????????,????20182023???????????????????????,?????????????4???????????????????,??,???????????????????

??????????:???????? “51????app??”????

?? ?????:???????????4.6%,????????

????:1?51????app??:?????

2?????VX

3???????

4?????

5????????????

?????????????????:????????????????????20????????????,????????????,18?????????????????,?????????4.6%?

??,18?????????????????????,???29.7%,?????????????????????????????0.8??,???“???”?????,?,????????????????

??????????,18???,????10.7%,?????????????11.5%;??????19.1%,????

?????????,????20182023???????????????????????,?????????????4???????????????????,??,???????????????????

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