self-interest   
  ˌself-ˈinterest BrE  AmE  noun [uncountable]    when you only care about what is best for you, and do not care about what is best for other people:         His offer was motivated solely by self-interest.   —self-interested adjective
  self-interesthu| ◎ | [,self 'intrist] |  | ※ | danh từ |  |   | ■ | tư lợi, tính tư lợi |  
 
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