摘要：Nutrition advice is often given
in terms of eating less of one
dietary component (nutrient)
or more of another. This advice rests
on the assumption that people know
not only what nutrients are in the
food they eat, but also their quantities¡ª
especially difficult information
to obtain when dining out at the
local cafeteria or steakhouse. Also,
nutrition is but one of many attributes
people consider in their food
choices. Qualities such as taste, variety,
and convenience may take
precedence over nutrition in people¡¯s
food consumption decisions.
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