2??????????5???????????????,??????????????????????,????
?,????????????????2???4??8???????????????
???:???
??????0.7%???0.8%
???????(?)“??”“??”“??”????…
???????:????????“???”
?????????????????????
????3???????7.2%
??:??????????????
??????:??2??6??????????
???????????????:?????????
?????????????15?????
???????????????????
??????0.7%???0.8%
?????????????????????
????????10?50????????
???????????????????
?????????????????????
??:??????????????????
?????????????????????
??:???????????????????
????????????:????????????
??2???????0.8%??????
????3???????
?????????????15?????
??????H-1B??????????????
???????????????????
???????!??????20???????