美国穷人靠勤奋打工、社区互助和资源共享，努力改善生活条件。用我的棒棒疏通你的下水道

　　Homelessness, hunger and shame: poverty is rampant in the richest country in the world. Over 40 million people in the United States live below the poverty line, twice as many as it was fifty years ago. It can happen very quickly. 　　Many people in the United States fall through the social safety net. In the structurally weak mining region of the Appalachians, it has become almost ... (展开全部)