Light with shadow is a construction material for architect, if existence of light with shadow was ignored, effective value of light with shadow will not be expressed in design.

对于建筑师来说，光影是一种建筑材料，如果忽视了光影的存在，设计就不会体现出光影的有效价值。

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Alzheimer's is considered if the tests fail to show the existence of other problems.

VOA: special.2009.09.15

So there's a kind of empirical argument for the existence of the soul if we found those kinds of results.

所以如果能找到那样的结果,就能成为灵魂存在的经验主义论据。

耶鲁公开课 - 死亡课程节选

If this argument doesn't work, is there another argument for the existence of a soul that you think is a better one?

如果这个论点没有说服力,有没有其他更具说服力的论点,来论述灵魂的存在呢

耶鲁公开课 - 死亡课程节选

Indeed, if the existence of the Fed is seen as a dollar negative, why then would debt that pays out dollars be easier to issue and sell?

FORBES: Book Review: John Allison's The Financial Crisis and the Free Market Cure

The Tate Modern appears so far to have had a blessed, if brief, existence.

ECONOMIST: British 20th-century art

These companies, which offer cheap or free Internet phone service, threaten to completely undermine the telcos' existence if not addressed.

FORBES: The Telecom Liberation Movement