The fridge is considered necessary. It has been so since the 1960s when packaged food list appeared with the label: "Store in the refrigerator."
In my fridgeless fifties childhood, I was fed well and healthy. The milkman came every day, the grocer, the butcher (肉商), the baker, and the ice-cream man delivered two or three times each week. The Sunday meat would last until Wednesday and surplus(剩余)bread and milk became all kinds of cakes. Nothing was wasted, and we were never troubled by rotten food. Thirty years on food deliveries have ceased, fresh vegetables are almost unobtainable in the country.
The invention of the fridge contributed comparatively little to the art of food preservation. Many well-tried techniques already existed — natural cooling, drying, smoking, salting, sugaring, bottling...
What refrigeration did promote was marketing — marketing hardware and electricity, marketing soft drinks, marketing dead bodies of
A. "Hum away continuously".
B. "Climatically almost unnecessary".
C. "Artificially-cooled space."
D. "With mild temperatures."
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