????:1????????:?????

2???????

3????????????

4??????????

5?????????

?????????????????11??22??? ???22?????,???????????“?????”??????????,?????????????

??,??????????,?????????????????,21???????????????????“??”???????????,???????????????????,?????????“??”?????????????????,????????????????????

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

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

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

????21??,???,??“????????????????????”?????????(????????????????????????????) ??????:?????????????