nonessential [ˌnɒnə'senʃəl]

例句:

• The nonessential amino acids were markedly reduced.
  非必须氨基酸明显减少.
  
• The wartime government first recruited men from nonessential industries.
  战时政府首次从非基本企业中招募了一批士兵.
  
• Cancels the nonessential additional tax and the extra charge.
  取消不必要的附加税与附加费.
  
• Officials were forced to evacuate all nonessential employees at the plant.
  来自WSJ
• I am ordering all nonessential state workers to work from home.
  来自THETIMES
• But turn off nonessential lights and electrical equipment as they generate heat.
  来自BBC