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1979年美国的饮食生活发生了骤变。第一是在商店中的冷冻食品销量的突然下降。食品工场、冷冻工厂因受到了石油限制,这就给冷冻流通带来了极大的影响,厂商便不得不为节约能源而减少产量。第二是方便食品的销量急
America’s dietary life changed dramatically in 1979. The first is a sudden drop in sales of frozen foods in stores. Food factories and frozen factories are subject to oil restrictions, which have a tremendous impact on the freezing and circulation. Manufacturers have to reduce their output to save energy. The second is the rapid sales of instant food