uselessness
n. 无用,无效
例句
"We're pretty much the epitome of uselessness here," one woman said.
“我们在这里简直就是无能的集大成者,”其中一个说道。
To outsiders, the cacophony underlines the profession's uselessness.
对局外人来说,这种不和谐的声音凸显了该行业的无能。
Carlo Rovelli, a physicist at the University of Aix-Marseille, emphasised the uselessness of certainty.
马赛第一大学(University of Aix - Marseille)的物理学家Carlo Rovelli强调确定性的毫无用处。