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

2????????

3?????????

4?????VX

5??????????

??????12???4???? ??????,????4?????,??,???????,????????

???12???3????????????????????,????????3????,????????????????????,????,???????????????? ???????,?????????????????“??????”,???????????????“???????????????”??,??????,???????

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

????????,?3??????,????????“??????????”,??????“?”?

??4????????????,???,???????

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