translation.en: I graduated from Philadelphia public schools, and I went on to teach special education for 20 years in a low-income, low-performing school in North Philadelphia, where crime is rampant and deep poverty is among the highest in the nation.
translation.zh: 我毕业于费城的公立学校， 然后花了20年在特殊教育上， 在一所低收入、低绩效的学校任教， 学校在费城北部地区， 那里的犯罪率很高， 那里也是全国最贫困的地区之一。