?? «???????»????????????? ?????
![](http://n.sinaimg.cn/news/transform/200/w600h400/20180724/9WU6-fzrwiaz9371588.jpg)
????:1??????50?:????????
2????????????
3???????
4?????????
5???????
?2???????????18?????? (????????????? ???????)???????«????»(«????2»)18???
«??2»???«????»??,????,???????,??????????????????????????????,??,?????“??”,?????????????????“???”????????18??,???(??????)?????123??,?????21??????
![](http://i2.chinanews.com.cn/simg/ypt/2025/250218/d899d2b4-f94b-4798-abf2-6fd7b4733913_zsite.jpg)
????????????,????????,«?????????2»??????,????????????,??????,?????????????,?“???????”?
??,«??»???,????«??????2»?,????,???
«??2»?,??“????”“????????????”?????????,??????????????????????????,??????????“????”?????,??????????“??????‘????????????????’”???????????????????????
??????????????,?????“??????????”(??,??????“????”)???,???????????????????????,?????????????????????????,??????“?«???????????2»???????????????????”
?????,«??»?????????,??????????????????,???????????,?????????“1+1>2”???
«?????2»??????????????????????????????????????????,?????????????????????????????2?????22????????(?????)
????:?????