?? ??? ?????7????????????
????:1???spa??:????app
2???????
3?????????
4?????????
5???????????
?????????8??16????? (??????)????,???????,?????????????????,???????????????????????????????????2019??????????11.9%?9%???18.7%,??7??,???????????????????????????????????????
?????????????,??????????????,???4335????,?262????????16?,?????????????????,????10????????
???????????????,????????,?????????0.0016???0.01,?????1/3?1/10?
???????,?????19??????????,????????20%? ???:??