The proof of the futility of harsh drug laws is this: in the country that has come down the hardest on drugs and drug users, spending billions of dollars in a decades-long war on drugs, there have never been so many drug addicts.
Source: tatoeba (3678967)
Tom was overcome with a sense of futility.
Source: tatoeba (8351687)
This is the worst snowstorm to hit England in 18 years. And for some the journey into work became an exercise in futility.
Source: tatoeba (12188776)
an exercise of futility
Source: wiktionary
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