?? ??75???????50??????????????
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2???????
3?????
4???????????
5???????
???9????????13????? (????????????????????? ??????????)“?????,???????????????,”?????9???12???????????75???????????????50???,???????????,“??????????????????50??????????????????????,?????,???????????????”
???????????????????????,??????????????????????????????????????????400???????????
??????????????9???????????12???,?????,????75??????????50?????????????(????)???????????(?????????????)?????????? ??????????? ???????????????????? ????????????????????????,?????????????????,?,?????????????????:??????????????????
??,?50??????????????????????????,??(??????)?????????,?????????????????????,????????????????????????????,????
?????????????(Bruce Ralston)???,???????????????????,?????????????
?????“?”???50??????????????????????????????“???????”??,?????
??????1974????????????(???????)
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