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

2?????

3??????????

4?????

5?????????

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

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

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

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

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

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

??:??