"I have tried, but it is of no use; I may just as well give up at once."

“我试过了，但是没有用；我还不如马上放弃。”

youdao

"It is of no use; I cannot learn." he said in a whisper to a companion who sat near him.

“这没有用；我学不会。”他低声对坐在他旁边的同伴说。

youdao

Because it is of no use to do so.

因为这样做是无用的。

youdao

This is very important,which is why I am doing it: "If we want to know how fast a human being can run, then it is no use to average out the speed of a "good sample" of the population; it is far better to collect Olympic gold medal winners and see how well they can do.

这话非常重要，是我作这个研究的原因：,“如果想知道人类最快能跑多快，那从好的样本中测出平均数是“,没用的;,而应该收集田径类奥运冠军的信息,看他们能跑多快。

哈佛公开课 - 幸福课课程节选

Nevertheless, Donald Harleman, a hydrologist at the Massachusetts Institute of Technology, argues that it is possible to use selective operation of the gates, when there is no flood risk, to actually increase flushing.

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It has served us well across more than two centuries of technology advances, and there is no reason to expect that it will suddenly lose its protective power when domestic use of unmanned aircraft becomes common.

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It takes no additional money and is the best use of your time as the true leader of your company.

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