??,?????,50???????????????????20????70????

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

??????????????,????????????????????????14????????????,???,?????,?????????????????????????(???? ??????????????????????)

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

??“????????????”

?? ????? ????“??????????????”

????:1?????????????:??100???????

2???95?98?

3?????????

4????????????

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

??,?????,50???????????????????20????70????

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

??????????????,????????????????????????14????????????,???,?????,?????????????????????????(???? ??????????????????????)

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