- 问题详情:Thisisadangerousworldwelivein.Thenumberofmurdersgoesupeveryyear,peoplearedyingofcancer,morepeoplecontractHIV,moreteensareusingdrugs,etc.Youknowthisbecauseyouhaveheardallthestatisticsonthenewsandinthepaper.Butdoyoureallyhaveanaccurateideawhatthey...
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