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

2?????98???

3?????????vx

4????????

5???98??

????(??):??????????????,??,??????????????

?????,??200????????????????????????6.2%?????4.5%?

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

?,?????????????????????10%??,???????????????????700???????

???2.7??????,?????1.5??????????????

???????????,??????,?????????????????“??????????”?????????????,???,????????????? ???????????????:????????????????????