| 单词 | valueless |
| 例句 | valueless adjective •this box of rusty old hardware is valueless:worthless, of no value, useless, to no purpose, (of) no use, profitless, futile, pointless, vain, in vain, to no avail, to no effect, fruitless, unproductive, idle, meretricious, ineffective, unavailing | archaic bootless. |
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