You've got an expanded demand for food.

人们对食物的需求持续增长
In that ring immediately around a city like Manchester,

像曼彻斯特这种城市的"环城带"
you've got a dramatic expansion of people doing what they call truck farming.

突然多了许多从事商品农业的人
They're specializing in crops for the urban market

他们专门为城市提供农产品
--fruit, vegetables, things like that.

比如水果蔬菜之类的东西
They specialize because there are people there that are going

他们这样做是因为有人
to pay for and eat what they produce.

等着买这些东西吃
Take the example of Paris,

以巴黎为例
which I'll come back and talk about with great relish someday.

我以后经常会津津有味地谈到它
The suburbs of Paris, a place called Montreuil,

巴黎郊外有个地方叫蒙特勒伊
which is kind of a grim part of eastern Paris.

巴黎东郊一个阴森的去处
It used to be famous for its cherries, and fruits, and that kind of thing

它那时以樱桃和水果以及诸如这些