?? ???“??”???“?”?
![](http://n.sinaimg.cn/news/transform/200/w600h400/20190418/64t4-hvvuiyn0301185.jpg)
????:1??????:?????????
2??????
3????????
4?????
5?????????????
??????????“?????????????”?????????“???????”?
?????:?????!???????,??
???? ????????????? ?? ???????????
????,???????????????????????????????????????????????????????,????????????????,???????????,?????????,??????????????????????,??????????????????
????
????????,???????“???????????”??????????????????????“??????????????”?
????????,????????,?????????????????????????70?????????????????240?????????,????
???20??????????,????????????????,??????????????????????,?????????,????,???????????,?????????????????“??”?
?????????????????????????:“??????????????????,????????????????”
??????????,???,??“?????????500+????????”“24???????68??”????,???????,??????????????2000??????????
?????????,?????,??
???,???????????????“?”????????????,???,?????????????
???,??????,????????????“???,??????????????????????????????????,??,??????????”???,???,???,???????,???????????????????,????
??????,??????????
“????????????????????????”??????
“?????”???????
????????????????,???5???,????
??????,??????,??????????,???????40???????????-45????????50??????????????????,????????20??????????????????,??????????,????????????????????????
“????????????????????????,???,??????????????????”?????????????????,????????????,???????,?????????????;????????????“???S”????????????????
????????????????,?????????
???“?????”??????
“?????????,???????????????????”??,?????????“??????????”???????“???”,????“????????”,?????????????????????????
????????????,????Cold,?????????????????????Influenza,?????????????,?????????????????????????????,????????????,?????????????????????
“????????,???????????”????????,????????????????????????????????????????????,???????????? ?????:?????????????????