1????29??,????,?????“???”?
???“????????”“??????”“????”??,?????????
?????,?????????????????????????????,????,??
?????????,????“???????????”?,??????????????????????,???????????????72???,??2????????27????(????????? ???? ?????? ?)
??????:??????????????????
??:??????????????????
????????????????????
??????????????“????”
???????????????????????
?????????????????????
?????????2??????????
???????????????????
10????20???????????????
????????“????”????????
?????????????????????
????!?????????????????
??3???????????
??????????????????
???????????0.6%?????????
??«???»??????????
?????????2??????????
????????????????????
???????????“??”??????
??«???»??????????
??????????????????????
??!????????“????”BBC????
1???????????????????
??3???????????
??:???3??????100???????
???????????????“????”