????:1????spa????????:?????????

2??????

3??????????

4???????400?????

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

?????6????28?????? (?? ????)??????????6??28?,???????????????“????????????????????20????”??????

??“???20??”,????«??»,??????????????????????????????????????????5????20?????????

??????,?????????????1??5??????????,????3235??????,????48.7%,?????????,?53%?

????????,????????????,????????????,??????????????????????????????????;????????????????????????????;???????????????????????????????????????????????????????????????????,?????????????

??????,?????????,???????????????????;???,??,????,??????;??????,????“???+???+?”?????,???????;???,??????,???????“???????”?????????????????,????(???????) ?????:?????????????