B1 not needed or wanted, or more than is needed or wanted不必要的;多余的
An offensive remark or action that is unnecessary could have been avoided.(具有冒犯性的言论或行为)不必要的,不应该的
More examples
This new computer system is completely unnecessary and a misuse of taxpayers' money.
She made one or two nasty remarks about their house which I thought was a bit unnecessary.
There is still some hope that the economic blockade will work and make military intervention unnecessary.
She brought round a bunch of flowers to thank me, but it was totally unnecessary.
We need to save money and cut out all unnecessary expenses.
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