a poor white girl in the South.

来自南方的一个穷女孩
At age about ten her mother got cancer, lost her job.

十岁的时候母亲得了癌症失去了工作
The family went bankrupt, etcetera, etcetera.

家里入不敷出等等
In order to help out her mother--

为了帮她妈妈--
she told the story of eating nothing

她说自己在长达一年或是一年半的时间里
but mustard and relish sandwiches for a year or a year and half.

只吃芥末和三明治
Apparently her mother survived

显然她的母亲活了下来
but they never really survived the bankruptcy.

但是却没办法阻止破产
But somehow as she got older she got interested in politics.

随着年龄增长她逐渐对政治产生了兴趣
Now that's a white, lower working-class,

一个白人女孩来自南方的工人家庭
poor, southern girl

一贫如洗
who had every right to be in that group Obama had described earlier,

她本是属于奥巴马所描述的