?????:?,?????????12??????15??,??????????????????,?????????????6??????15???????????????,?14.9??????????????????????,?800??????,??????????1200????????,???????

?????????,???,????????????

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

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

“???????????”???????????????????????

???,“??”??????????????????????????????????????????,?????“?”??,????,?????????????????????????????,?????????????????? ???:?????????????? ??“??????????50”????

?? ????14.9??????……“????”?????????????

????:1???????????50:??????

2????????????

3??????????

4???????

5?????????

?????:?,?????????12??????15??,??????????????????,?????????????6??????15???????????????,?14.9??????????????????????,?800??????,??????????1200????????,???????

?????????,???,????????????

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

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

“???????????”???????????????????????

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