advantageous       
adjective uk/ˌæd.vænˈteɪ.dʒəs/ us/ˌæd.vænˈteɪ.dʒəs/
 有利的;有优势的;有好处的
giving advantages or helping to make you more successful
  advantageous interest rates 有利可图的利率 
 The lower tax rate is particularly advantageous to poorer families. 低税率对于较为贫困的家庭尤其有利。 
 Synonym: favourable 
Opposites: adverseunfavourable