?? ???“?????????+??”??????????

????:1????????????:?????????
2???????????
3?100??3??
4?????????
5?????????
??2??20????????? (???? ?????????????)???20?,6334.1???????????,??(B?),??,?????????????????????????

“??,???????????????(B?????????????)????????‘??????+?’??????????????”??????
??????????,???????????????????????,??????????????????????????????????????????????????,????????
???????,???????????????????????3?????????????????????5?,????????????????,?????????
“??,???????????????????,??????????????????????????(B??????????)????????,?????,???????????”?????????????
?????????????,?,??????????????????????,????????????????????,???
???????????????????,???????????????,??????????“????+????????????+????????+?????????????+?????+?????”???????????????,?,????????????,???????????
“???????????????????????,???????‘?????????????????’????,?????,??????????????????????????,?,??,???????????,???????”???????(??????)
????:????????????????????