?????? ???????“???????”

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

???10?????22????? ??????????????????,??????21?,???99??????????????,???????“????,??????????????”

?????1925??,1949??????????,????????????;??????,?????;20??60?????????????????????,??????????,??(The University of Iowa)?

1967????????,???????????????“????????????”,??????????????????????100????,??????????????????,??????????????????

?????«????»«??»«?????????,?????»???,???????????????????;1990?????,?????????«??»???“?”?

????????????«??????????»??????????,“???????,?????”

?????«??»???????21??????,“???”????,“??:??,????,??????????(????)?”

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