stamps(食品福利券),to pay for those groceries.
Lead researcher Eric J.Brandt,national clinician scholar at
Yale University's School of Medicine,hopes it is one step in find-
ing more solutions for people living in areas with high rates of
food insecurity.While urban food deserts were overwhelmingly
covered by delivery services offered through companies,the re-
sults in rural areas were not nearly as promising.The difference
between partial and full delivery,Brandt explains,lies in the two
sets of data:food deserts are measured by census tracts(人口普
)delivery is determined by ZIP code."They're mutually ex-
clusive(各自独立的),and they don't define each other,”hc
says.
There is also the challenge of paying for the delivery itself