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non-essential

adjective

🔊/ˌnɒn ɪˈsenʃl/

🔊/ˌnɑːn ɪˈsenʃl/

[usually before noun]

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not completely necessary非必需的；不重要的
- They argue that killing seals for non-essential products cannot be justified.他们认为，杀死非必要产品的印章是没有道理的。
compare essential This is not as strong as inessential and is more common. Inessential can suggest disapproval.
Oxford Collocations Dictionary
Non-essential is used with these nouns:
personnel
See full entry

non-essential

noun

🔊/ˌnɒn ɪˈsenʃl/

🔊/ˌnɑːn ɪˈsenʃl/

[usually plural]

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something that is not completely necessary非必需的；不重要的
- I have no money for non-essentials.我没有钱应付那些非必要的花费。🔊🔊
compare essential