????:???
??:?????5-0????????????
????????????????????
?????????????????????
50???????????:?????????
??!?????????????????
???????????:??????????
?????????????????????
??:???3???1???1????????
??3?????????0.2%
????:?????“???”????
????????2????????????
?????????????????????
??CloudBU?????:???????????…
???????????????
???????10????3-2????????
??“?????”????????3519?
??????????????????????
??????????????????
???????????????:??????????
??????????????????????
??????????????????????
PPI??5????????????
??3?????????0.2%
??:??????????????????
??????????????????6???