????:1??????????:??????598??

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

3?????????

4???????

5?????

??????,??“?”?????,???????

?????????????“?”????????????,“??????????”??????????????????????,????“??????????”??????,???????????????????“?????”???????????????,?????????“0????????”,?????“??????????”??????????????,??????????

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

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

??????????????“??????????????”????,??,???????????????,?????????????“??????????”???????????,????????????????????????,????,?????????,??,???????????????,??,?????????(????:???????????? ?????????????????:? ???????) ????????????:??????????