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

2???????

3???????200????

4?????????

5??????

??9?????????????13?????????????? (??????????? ???????????????)“????????????????????,???????????,”????????9?????????????????????12???????????75????????????50?????,???,“??????????????????50????,?,??????????????????????”

?????????????,??????????????400????

??????9?????????????12????,?????,???75????????50?????????????????????????????????????(??????????????)??(??????????)??????????? ??? ???????????????????? ???????????????

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

???????????,?????????50??????????,???(??)??????,????,????????????????????,????

??(Bruce Ralston)?????,??????????????????,??

?“?”??????????????????????????50?????????????????????????????“??”???????,??????

???1974??????????????????(??????)

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