不洁净的

The Hindu caste system forces 15 percent of India's population to do jobs deemed “unclean”—anything that involves contact with bodily fluids, such as leatherwork and laundry or burying the dead.

印度的种姓制度迫使15%的人口从事被认“洁净”的工作——即那些与体液有接触的工作，比如皮革制、洗衣和埋葬死尸等。