????,??,?????
????:??????
??????????????2000?????
??????????????????????
ISM??????????????
??2???????0.8%??????
??2???????0.8%??????
???COS??????????:?????
????????????????????
???????????10????????
????????????:?????????
??:????????????
??????????????????????
????????????:???????
??2???????0.8%??????
?????????,??????????40??
???????????????????????
??????:??????????
????????????:????????????
????????????????????!
??????????????????????
?????????????????????
“???”?“???”,?????????????
?????????????????????
???????!??????20???????
???????:????????“???”
?????????????????????