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

2???????

3??????????

4?????????

5????????

?????11??????????23????? (?? ???????)????????????(IFF)??????21??????????23?????????????????????(WTO)?????????????????-????????,“???????????????,????????????????????????????,????”

????(WTO)??-????? ? ??? ???????????????

??-????????????,???80????????????????????????????????????,????????????????,????????,????

“??20????????????40?,???????????????????,???????,???????????????”??????,????,??????,?????????

???-???????????,??????5?,????????????,??????????????,????????,?????????????,???????

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

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