???????????????2?????19????????? (?? ????????????)?(?????19???)???19??????????,?????????????????????6????????

6??:??????????????????“????”?????????????????“?????????”????????????????????“?????????????????+????”????????“?????”??????????????“?????”???????????

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

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

????????????,??“????”??????????“???”?“??”????,?????????????????????,???????,??????????“?”???????????????????????

?“???+???????????????”???,?????“?+?????+X”??,??????????“?????????????”??????????,?????????

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

??????,?????“??????????????”???????????????????????????,?????,???????????????,??????,????????????????????????????“?????”+“?????????????”??????????????????????????????????

?????????,??(?????)????????????,?????,??????,??,???,????,????????,????,????????????????,??????????(?????????) ??????????:???????

??

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