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

2??????????

3????????

4????????????

5??????

????6?????30?? (?? ??????????)30?????????,?????,??????????????,5???

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

6?????????????????????30?????,?????????????????????? ????????????????????? ?????????

30????????????,??,???????????????????????????,???

?????????????????????,??70%,?30%?

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

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

??????,??????????????????????????????????????????5?????,9???????,18?????????

????11??“?”?,4?“??????????”?

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

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