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adj. ����Ҫ�ģ�����ģ����õ�

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a. unneeded

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a.   necessary

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1. Henry canceled many unnecessary words in his manuscript.
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2. Keep your distance. No need to attract unnecessary attention.
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3. Unnecessary variation is the enemy of a coherent, usable design.
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adj.
  1. not necessary

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Unnecessary
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unnecessary expenses
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unnecessary item
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Unnecessary Cost
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Unnecessary Items
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