??????????????

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

??????(???):???(10???12?????)??????,?????????????,?????????????????????????5???

?????????23?????????????,?????30%????????????,?????????????????????10???,??“?”?

???,?????????????????7????????????,???1200???????,????????27?????????????????42???70??80????,????40?????2?????????10????????????7???42??????

???????????????,????????????????????????????????,?70%???,????????????13????????? ????:???