And all knowledge is vain save when there is work.

所有的知识都无用，除非有工作。

youdao

And all knowledge is vain save when there is work.

一切知识都是徒然的，除非有了工作。

youdao

Not all experience and knowledge related to problem-solving can be obtained by personal effort alone due to limitations of mind and capabilities of each individual.

由于个体的思维和能力存在局限性，并非所有与解决问题有关的经验和知识都可以单靠个人努力获得。

youdao

All of Helen Keller's knowledge reached her mind through her sense of touch and smell, and of course her feelings.

VOA: special.2009.11.15

With them she can occupy all these different roles, and in doing so she has access to certain kinds of knowledge.

通过这些她可以，扮演各种各样的角色，也可以让她，获得某种知识。

耶鲁公开课 - 1945年后的美国小说课程节选

If you're pure, not only are meats and viands pure , but all kinds of knowledge, whether of good and evil.

如果你纯洁，不只是肉和食物，肉和酒会变得纯洁，所有的只是，无论善恶都会变得纯洁。

耶鲁公开课 - 弥尔顿课程节选

"This is the collaboration of all the years of making different models and taking all that knowledge and putting it into one cohesive piece of glass, " said Martindale.

CNN: Hearts of glass: Where medical science meets art

And he summoned all his knowledge, intelligence and indomitable will to navigate the maze of foreign and Chinese interests that sought to impede the investigation of a horrifying crime: Pamela's brutal murder in 1937.

ECONOMIST: Crime in the shadow of the Great Wall

Forming supply chains, obtaining services, strengthening infrastructure and sharing knowledge all become easier when companies bunch together.

ECONOMIST: Economics focus