There is a lack of knowledge about the tax system.

大家对税制缺乏了解。

《牛津词典》

The point is that on the basis of present knowledge there is no reason to view male care as a restricted or specialized phenomenon.

关键是，根据现有知识，没有理由将男性护理视为一种受限或专门现象。

youdao

If there is a will, there is always light on the road to knowledge.

如果有毅力，在通往知识的道路上总有光。

youdao

Also,there is a widespread lack of knowledge among local health workers about how to use antivenoms.

VOA: special.2010.01.25

I am talking at the level of this is Dalton's model, but then there is a meta knowledge here of how you develop models in general.

我一是在谈论道尔顿的模型，但是，还有些知识,关于你如何建立大概的模型。

麻省理工公开课 - 固态化学导论课程节选

There is, in other words, a kind of a transformative view of reason and knowledge and science, political science, civil science, running throughout Hobbes' work.

换句话说，有一种看待理性的变革性的视角,知识，科学，政治科学，民间科学，都贯穿于霍布斯的作品之中。

耶鲁公开课 - 政治哲学导论课程节选

There is a hunger for knowledge, an insistence on excellence, a reverence for science and math and technology and learning.

WHITEHOUSE: President Obama Kicks Off "Educate to Innovate"

There is a tremendous amount of knowledge to be gained and disease to be reduced or eradicated by understanding these effects.

FORBES: Location Intelligence - The Future Looks Bright

Obviously there is with the Fed a knowledge, a technical expertise, and a jurisdiction over a number of already regulatory issues, and we think this proposal strikes the right balances to ensure that this doesn't happen again.

WHITEHOUSE: Press Briefing