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Here’sasurprisingfact:Ofthe1.1millionfirefightersintheU...
问题详情:Here’sasurprisingfact:Ofthe1.1millionfirefightersintheUnitedStates,about780,000arevolunteers.Roughlyathirdofthepopulationis 41 bymostly-orall-volunteerfiredepartments.Also 42 ...