expendable
adjective uk/?k?spen.d?.b?l/ us/?k?spen.d?.b?l/
可有可无的;无关紧要的;不必要的
If someone or something is expendable, people can do something or deal with a situation without them.
No one likes to think that they're expendable. 谁也不愿意认为自己无足轻重。


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