Another common but useless rule of thumb is history.

另一个普遍但无用的凭感觉判断原则是历史原则。

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Forts were framed for defence against land or sea forces, but useless against an air attack.

建筑城堡是为了防御陆海军入侵，但对于空中打击就无效了。

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This chicanery can range from relatively benign but useless efforts to overly aggressive promotion to outright fraud.

这样的欺骗手段可以相对无害地提升排名，但是这种急功近利地推销无疑是一种欺诈行为，是无用之功。

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But Mister Mindon was proud to be rich enough to have a perfectly useless room in his house.

VOA: special.2010.05.29

In addition Aristotle tells us such a person will possess beautiful but useless things suggesting the possession not only of wealth but of a kind of cultivated aesthetic sense.

此外，亚里士多德告诉我们,这类的人还将会拥有一些美丽,但无用的东西,不只拥有财富,还有一种经教化的美感。

耶鲁公开课 - 政治哲学导论课程节选

He says, I plead guilty, but your physics is useless at this length scale.

他说，我没有错，而是你的物理在这个尺度上没有用武之地。

麻省理工公开课 - 固态化学导论课程节选

The NC-17 rating, created in 1990 to replace the stigmatized X, has become all but useless.

CNN: Taking aim at show biz

Yet Siilasmaa would be the first to admit that his building's security is all but useless in protecting proprietary information.

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Mead and Faggin realized that the rat model was neat but useless.

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