?? ??25%???????? ????????????
![](http://n.sinaimg.cn/translate/714/w900h614/20190120/Ri7A-hrvcwnk9698700.jpg)
????:1??????:??????
2??????????
3??????????
4???????
5?????????????
??????????????????????????2??10??,?????????????,??25%????????,??????????????????,?????????(? ?)
?????????????????:????
??????????????????????????2??10??,?????????????,??25%????????,??????????????????,?????????(? ?)
?????????????????:????
????:1??????:??????
2??????????
3??????????
4???????
5?????????????
??????????????????????????2??10??,?????????????,??25%????????,??????????????????,?????????(? ?)
?????????????????:????