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

????:??sn??:??????

????????????????????????1????19?? (?????????? ?????)“???????????????,??????????????,??”???,?????????????????,?????????????????????,???

19??,????,???????????????????????????????????????????1????14???,??????????????????????????????????????????????????,??????,?????

1??????????18?????????????,??????? ???????????

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

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

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

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