英语翻译
A surprising number of young people—nearly 80 percent of high-school seniors,according to the University of Michigan study—also are holding down paying jobs,working an average of 16 to20 hours a week．And their paychecks don’t just go for frills Andrew Gonzales 17,who works part time for Youth News,a teen radio group in Berkeley,Caliph,observes that a number of his friends feel an obligation to contribute some of their earnings to help their families,meet expenses.