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

2???????

3?????vx

4???????

5???????

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

??????:?? 5???????????

5?,?????????????,???

????,5??????????????????????,???????3.7%,?????????????????4??????1.4????????;????18???????????????,?????????????13????

???????????????????,“??????????”????????????????????“618”??,?????????????

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

“???????????”?????????????,??7.6%??12.7%,?????????(?)???37.2%?

??????,??5?,????????7.9%??,????8.4%,????????????????????

????,????“618”?????????????????????????????????,????,????????

????5????,???????????11.5%,?????????????????24.7%,???????????,??????????????????19.6%?9%??????????????10.8%?

????,5?????????,??????????????????????????????????20.2%?16.6%?12.9%,??????????4?????7.5???????????3.3??????????8.4??;????????18.7%?

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

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