有用的(useful)副词是usefully。
useful:
adj.有用的;有益的;实用的;有帮助的;好的;合格的;
比较级: more useful最高级: most useful
相关介绍
She has ten years' useful experience behind her.
她有十年的经验,能派上用场。
The article served as a useful starting point for our discussion.
这篇文章成了我们展开讨论的良好起点。
This technique is useful but it has its limitations.
这种技术实用,但也有局限性。
It was a collaboration that produced extremely useful results.
这是一次带来极其有益的成果的合作。


