- 问题详情:InthiscenturythetraditionalAmericanfamilyisconstantlyfacedwiththethreatofbreakdown.Somesociologistssuggestthatonelittle-noticedcausemaybetheintroductionoftheTVdinner.Beforetheappearanceoftelevisionsets,theAmericandinnerwasabigeventforthefamil...
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