来自《耶鲁大学开放课程：有关食物的心理学、生物学和政治学第11集第11集》

As you can imagine,

正如你所想的
rural culture has changed a lot

随着农场数量的骤减
with the number of farms going way down;

农村文化也发生了巨大的变化
the number of people employed on farms,

农场雇佣的人数
rural communities have changed an awful lot;

农村社区也发生了翻天覆地的变化
and the attractiveness of living in those communities,

居住或者工作在这些社区
working in those communities

的吸引力
has changed over time depending on the economic conditions

也随着经济条件
and whether farms are thriving or not.

农场兴旺与否而改变
A definition of sustainability

可持续发展能力的定义
can have a lot of different pieces to it,

涉及到很多方面
all affecting different parts of the food system.

也从不同角度影响了食物系统