????:1?????qq?:????????

2????????

3????????vx

4?????

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

?????????1???20??? (? ??)????20?,???,??????????

??????????«???????????(????)?»,????????????????????????????(???????????)???3????,????6000??,????????????15%????,????????1??????,????500???

20????,????????????????????????????“??,??????????????????????????????????3999??,?500???????,????480?,??????????????980??????,????????‘??????’?”????????????????????

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