?? ???21????????????
????:1????????:????????
2??????????
3????????????
4????????spa
5???????
???????????21?????????
????????????9????23????????? (??????????? ?????????????)???????????????????23???????,??????????????????21???????(???????????)??????9??24???28??????
????????21?????,???“?”???????????,?????????????????“??????,?????????????????????3.0?”??????????,???????
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???????????????????20???,?30%;??????4?????????5????,???????
????,?,??????????,?????????????????????????2000???????????;?????????????800???????,??41%???500??????????????????????500????????????????????“??”??????????????400????,?15%?
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