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- 問題詳情：Communicationandtransportationnetworksbringpeoplesometimespeoplethemselvescreatesomecountries,lawsstoppeoplefrom_61_(move)freelyfromplacetoplace.Inthepast,manygroupsofpeopleweredeniedthe_62_(free)totravelbecauseoftheirrace,religion,ortriesals...
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