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??90%??????30%??????????????????
1 ??
????20????????????????????????????????
????????????????????????????90%??????30%?????????????????????????????????????????????????????????????A&M??????????
2 ???
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3 ?
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?????2080????845??75%???8%?3%?????????222??50%????34%.?????????48%???2.5
???BillWBob??AlcoholicsAnonymous??1935???????????BillW????...