一、重点单词1.income n.收入He earns an income of 60,000 vuan a year. low/high-income groups/families低/高收入阶层/家庭income tax所得税outcome n.=the final result of a meeting,process,se- ries of events etc.,especially when no one knows what it will be until it actually happens结果;后果The trade negotiations between China and America are continuing,and we are hoping for a positive outcome. I. Earnings income income income 60.000 vuan a year. low/high-income groups/families low/high income groups/family income tax income income ,se ries of events etc.,especially when no one knows what it will be until it ashappens cipulous outcome; consequences. The trade negotiations between China and America are continuing, and we are hoping for a positive outcome.