1·So far, it's helped only the middle class, not the massive underclass, which remains at risk of intimidation and violence.
到目前为止，它只帮助了中产阶级，而没有帮助庞大的下层阶级，后者仍然面临恐吓和暴力的风险。
2·The underclass is the unspoken but ever-present shadow of our modern lifestyle.
该下层阶级是我们现代生活方式中不可言及却又永远存在的阴影。
3·The underclass consists of the poor, the homeless, many of the unemployed, the emotionally disturbed, and the disabled.
该下层阶级包括穷人、无家可归者、众多失业者、情感受挫者和残疾人。
4·Today in Europe there is a new class which is growing apace that has come to be known as the underclass or sub-class.
如今在欧洲一个新阶级正在快速成长，它被称为下层阶级或亚阶级。