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Từ điển Oxford Advanced Learner 8th 
	
		   
 impracticality   
  im·prac·ti·cal·ity [impracticality impracticalities] BrE [ɪmˌpræktɪˈkæləti] ; NAmE [ɪmˌpræktɪˈkæləti]  noun uncountable  •She explained to her superiors the impracticality of such a project.     Main entry: ↑impracticalderived
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