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      首頁英語詞典discretionarydiscretionary考試真題
      
                    
      
	
      discretionary
      
	
      英 [d?'skre?(?)n(?)r?]
美[d?'skr???'n?ri]

      


	    
      
	
        
    
      • adj. 任意的；自由決定的
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      考試真題
      
	
      
	
      In the 1960s, the United States devoted nearly 17% of discretionary spending to research and development, reaping decades of economic growth.
      2016年12月六級真題（第二套）閱讀 Section A