Companies are the most important participants in market activities; however, the basis of existence of a company is capital contribution of shareholders.

公司是市场活动最重要的参与者，公司存续是以股东出资为前提的。

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For example, the existence and extent of specific forest types are important as a basis for conservation efforts.

例如，特殊森林类型的存在和范围作为保存工作的基础至关重要。

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On the basis of this philosophical belief, I exclaim the existence of objective laws of Web evolution.

基于这样一个哲学信仰，我断定互联网进化客观规律一定是实际存在的。

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The message of the flood story also seems to be that when humans destroy the moral basis of society, when they are violent or cruel or unkind, they endanger the very existence of that society.

而洪水所表达的信息是,当人类毁掉了社会的道德根基，当人类变得暴力，残忍，这都会危及到人类社会的存在。

耶鲁公开课 - 旧约导论课程节选

And yet the basis of our economic existence is readily and intuitively understood by just about anyone: we wrest materials from the Earth, we make things and we provide services.

BBC: A Point of View: And all shall worship money