??2????4??? (????)???????????????,?????,???????????????????“????”???(?????????,??????????)??????????????????
1?????23???????????,???????????,????????????? ?????????????? ??????????,???“?”,????????“??????”,??“????????????????”??“????????”?
???,“90??”??“??????,??,????????80??????????”???????????????,??????????,??,“?????,??,?????”?
“00???”?????????,????“?”??????????,??????????????19.9?????????
1????23??,?? ????? ????“???????????????29.9????????19.9????????????????15???……??????????????”???????????????,??????????????????,?50??????????
???,?????????????????????????????????????13?????????????:“??????????????,?,??????????,?????????????????,?,????????????????????????????????”
“?,???”?????????????,????????,????“??????,?,?????????????????”
????,??????“????”???,?,???????(??????????)
?????????????:??
KD????????????????????
????????????????????
???:?????????????????
??!??????????:???????
?????4?1?????????9????
?????????????????“1+3+7”??…
??:??????“??”???????
???!???????????:??????
???????????????????
???/?????????????????
???!???????????:??????
?????????????????????
???????????????????
????????????????????????
??????:??????????????
???????????????????
????????????????????
????????????????????
???????????????????
???????????????:????
????????:??????????
????2??????????2???
?????????????????????
CBA???????????????????
?????????????????????20%