12???????20????,??,??

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

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

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

??“?????????”????

?? “?????????”????????

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

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

3???????

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

5??????

12???????20????,??,??

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

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

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