Roughly two-thirds of high school students are involved in volunteer community work.大约有三分之二的高中生参加社区的义务工作。If she wants a routine to fill her day, let her do community work.如果她想做些日常的事务来打发白天的时间，就让她去做社区工作吧。Mrs. White is earnest about community work.怀特太太对社区工作十分热心。