?? (??????????????????)??? “????”???

????:1?????:?????????
2?????
3?????????
4??????v
5?????
?????????????12??19?????????(?????????? ??)???????????????,???????????????????;???????????,“??????”???????……??,??,??????7???,??????????????
?,???????“?????”,???????????7000?????????????????????2500????1200?????,????????????????????????????????,??

??,????“????????????????,??????????????????????,????!”???????
????????,?????????????“???????????????????????”??,?????????????????????????????,????,????
“?,?????????????????????,????????,?????????????‘?+’???????”??????????????

??,?????????????,????,???????,???????????,???????????????????????????
????????????,??;??????????????????,????,???????,??????,?????????????????????????????,??,CAVE?????????????????“??”???
“???,????????,?????????????????????????,???????‘??’?????????‘?????????’???????”????(????????????)
?????:??????