In a period of mass unemployment a lot of people must learn to tighten their belts.在大批人失业其间,很多人不得不束紧腰带,省吃俭用。The greatest obstacle to economic progress has been mass unemployment.经济发展的最大障碍是大量失业。A rapid rise in prices soon eventuated in mass unemployment.价格的快速上涨很快就导致了大量的失业。Whole districts were rioting in protest at mass unemployment.整个区域都爆发了骚乱,抗议大规模失业。