Americansusedtothink的精選

問題詳情：Inthepast,AmericansusedtothinkoftheUnitedStatesasa“meltingpot”ofimmigrants(移民)frommanydifferentculturestotheUnitedStates,theiroldwaysmeltedawayandtheybecamepartofacompletelynewculture.TheU...