??????????:????

????:?????????:???????95??

????6????14????????(?????? ??????????)17??“?????????????????”??12???,???????????????????,??,?????????????????,?????,????????????????

  ??????????

?????????????????,???????planA,????????planB????????????,?????planB??????????????????????????,????,??????????????,?,???

?????????,??????????:???????????????????????????????

?????????,????????????????,??,?????????

????????????,???????,??????,????????,????????

???????????,????????????“??”,???????????????,???????,???????(??????????????????)

?????????????????????:????????????????