The article is really a difficult concept to grasp when you have no base knowledge of it.

当你没有冠词的基础知识时，冠词确实很难掌握。

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Looking at a number of sources gives you a good knowledge base, but students only have a limited amount of time to work on each paper.

阅读大量的文献可以打下坚实的知识基础，但是学生们完成每篇论文的时间非常有限。

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To provide for development practitioners a knowledge base of intellectual capital that allows them to browse, manage, and deploy content.

为开发人员提供一个知识资产的基础，使他们能够浏览，管理和部署内容。

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They are really a difficult concept to grasp when you have no base knowledge of it.

当你没有基础知识时，冠词确实很难掌握。

韩国人经常犯的失误 - SpeakingMax英语口语达人

But now we're going to know that it's coming from a base of knowledge.

CNN: Referees union formally ratify contract with NFL

Women have some great innate investing skills once they have a base of financial knowledge to build on.

FORBES: 3 Reasons Why Men Might be Victims of the Gender Gap in Financial Literacy

Each year, media outlets will report which cities in America are the most affordable and that can provide retirees with a good base of knowledge as they go about their search.

FORBES: Simple Ways To Save In Retirement