????:1?????vx:?????

2??????????

3??????????

4???????

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

???????6?????19?????????(????????????? ?????????????)???????????6??????19????,????????????50???????“??????”????????????????????500??????????????????

????,??????????,???????????????????????????????50??????????????,???????????????????????????????????,?????,??????????????

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

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

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

??????????????,???????????50???????50?????

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