????:1??????????:?????

2???????

3???????

4???24????????

5?????????

???1?????????????26?? (?? ???????)???,??,????????,????????

??????????????????????????? ????????

???????????????????,????????,?????????,?????????????????,??????????????????,???,?“?”??????????“????????”“????????”?

?????????????????????? ????????

??????????“??+”??????????????????,??????????,?,?????????????,??????,???????????????????????????????????,???????????????????

“??????????????,????????????”?????,???????????,??????????

“???,??????10%??????30%???????????????,?????10???20??,???80????????,??10%?”?????,?????????(????????????)????????????,??????20%?40%????????

??????,???????,??,?????????????????????????????,?,????????????????(????????????)

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