in the communities in the supply and demand argument:

公众的供求关系
that if people wanted these foods in those kind of communities

当人们需要某种食品的时候
they would be putting pressures on the local merchants to sell them,

他们无形之中会给当地商家造成压力
the local merchants would then stock them

批发商就会存货
because then that's how they made the money;

以谋取更大的利益
so the fact that these communities are food impoverished

造成这个地区食品供应不上的情况
is not so much a function of access,

这不是人为可操控的部分
it's just the real market at work,

这是市场自然运转的规律
and people don't really want those foods.

如果人们不需要这些食品呢
I'm curious about how you

我很好奇
guys would respond to that, so come on up.

你们会怎么处理这个问题上来吧
I would be surprised if any student after sitting

要是在座的学生听完这堂课之后