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useless
01
无用的
lacking purpose or function, and unable to help in any way
例子
His outdated skills were useless in the modern job market.
The expired medication was useless and had to be disposed of properly.
The broken watch was useless and couldn't tell time anymore.
The faulty map was useless for navigation and led us astray.
His advice turned out to be useless and didn't solve the problem.
