futilityn.
英 fjʊ'tɪlɪtɪ; fjuː'tɪlɪtɪ | 美 fjʊ'tɪləti
中文n. 无用；徒劳；无价值
词根词源
futility (n.)1620s, from French futilité or directly from Latin futilitatem (nominative futilitas) "worthlessness, emptiness, vanity," from futilis "vain, worthless" (see futile). Hence, jocular futilitarian (1827, n. and adj.); futilitarianism.
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