They are not useless.

它们并非没有用。

youdao

Dreams are not meaningless, and they are certainly not useless.

梦不是毫无意义的，也肯定不是毫无用处的。

youdao

youdao

To him this was not useless, because it didn't serve the state.

这对彼得大帝来说无所功用,因为这对俄国没有任何贡献

耶鲁公开课 - 欧洲文明课程节选

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

It's not a cyclical and useless definition.

这不是一个循环式的,没有意义的定义

耶鲁公开课 - 基础物理课程节选

Loyalty programs can show that a person is not a useless customer, if the firm knows how to use the information.

FORBES: BBVA Pursues Profits Among The Unbanked Using Nontraditional Data

Jury consultants, for all that, are not totally useless.

ECONOMIST: American juries

For sure, aid has not been useless.

ECONOMIST: How to help the poorest