????:1?????????:?????vx

2???????????

3??????????

4???????100???????

5???????

????????????????6??16??????????????????????????(?????) ????,“????????????”???????????,??????????????,??????????????????????????“??????????????????”,???????,?????“????”?

????????? (John Grim)???,???“??,????????????????????????????????,????????????”

??1986???,???,30?,???????????????????????????????????????,??,?2023???????9??,????????????????,????????

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

?????????????????????????????(Mary Tucker-Grim)????????????,???????????????????????????,???????????????????,????????????????????????,“????????????????????GDP”???????,??????????,??????????????????????

???????????,“??????????,?,????????????????,??‘??????????????’????????????????????????????????????????????????????????,???????????????????????????????,????????????????,?????”

“??????????????,95%????????????????,??,???????”??

?????,?????????????????????????,?????????????,?????? ????????????????:??????