It's also not just Utah's problem: Across the country, scientists have been finding high levels of DCA - and finding danger in unexpected places, like Christmas ornaments.

这也不仅是犹他州的问题：在各地，科学家们都发现了高水平的DCA——危险真是无处不在，比如圣诞装饰物。

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As a colorless, sweet-smelling liquid, DCA is used in the production of plastics.

作为一种无色、带着甜蜜香味的液体，常被用于塑料生产。

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As word gets around that people are buying DCA to use as a drug, suppliers of the chemical are clamping down for fear of breaking the law.

自从有传闻说人们在到处求购d CA当药物使用以后，这种药品的供应商纷纷关闭有关通道，因为他们担心触犯刑律。

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Should this money be invested in the markets all at once or dollar-cost averaged (DCA) over time?

FORBES: 4 Rules for Investing a Lump Sum

The building has been designed by London-based David Chipperfield Architects (DCA), and was chosen from a field of over 70 international design companies.

BBC: Artist's impression of Pacific Quay bridge