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

2??????????

3????????????

4???????

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

??????????:????12????,????(12????????????1????)??,????????,???

“???????”?

???????????????????«????????»12?1?????,«???»????????????????????????????????????,????????????;?????????“?????”???????????

? ?????????????????

12????????1??,???????????«?»?????????????«??»???????????????????????????????????????????,??“?”“??????????????”???????????????????????:????????;????;??????????????????????????????????,????????????????

???

??????12????????????????????1?????,«????»?????????????,????0.5????????????????????????,???,???????????????????????????1.5%,???????????????1%,???????????????????0.5%(?)?

????

?????????????????????«???»,?????????12????1????????,?,????????20%?????????????

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