????:1????????VX:????????????

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

3?300?2?????

4????????

5??????????

??12?????????????19???? (??)???????????19???(??:???????????????????????)???,??,??,????????????90??????,???????,??

???,????????????????????????????????????????????????????????????????????9???????????????40??,?????????????????????:“??????????????,?????????????(??)????90?????,??????????????????????40%?”

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