Scientists haven't trained for directly-but for which they have useful knowledge, skills, and experience.

科学家们没有接受过直接的培训，但是他们拥有有用的知识、技能和经验。

youdao

I like these books because they offer me a lot of useful knowledge.

我喜欢这些书，因为它给我提供了很多有用的知识。

youdao

But the user's ultimate goal is to obtain useful knowledge.

但是用户最终的目标是获取有用的知识。

youdao

If they can back this up with useful knowledge, they can sway policy.

ECONOMIST: Where the influential people meet and talk

Then one day Luisa, who knows the strangest and most insignificant things and is always surprising me with scraps of useful knowledge, passed me her straw hat and advised me to look through the gaps.

NEWYORKER: While the Women Are Sleeping

Ms Radinsky told MIT Technology Review that other useful websites included knowledge bases DBpedia and OpenCyc, and language database Word.

BBC: News headlines used to predict future events