Reason and a respect for evidence are precious commodities, the source of human progress and our safeguard against fundamentalists and those who profit from obscuring the truth.

人的理性和对证据的尊重都是珍贵的东西。它们是人类进步的源泉，也是我们抵御原教旨主义者和以掩盖真相而获利者的屏障。

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Health is likely one of the most precious commodities in life.

健康可能是生命中最宝贵的商品之一。

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At that time, Europeans flocked to the New World in search of raw materials and precious commodities, like animal fur.

那时，欧洲人涌入新大陆寻找原材料和珍贵的商品，比如动物皮草。

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For years now, the rising price of oil and gas have been telling us, look, these are precious commodities.

NPR: 2 of 3 Presidential Hopefuls Back Gas Tax Holiday

Monetary policy would then be guided by the market prices of a basket of inflation sensitive precious commodities such as gold.

FORBES: To Win The Debt-Ceiling Debate, We Must Discredit Obama's Debt Dishonesty

And since MacBook USB ports are precious commodities on the road and in the office, PlugBug's extra USB charger is a welcome addition.

ENGADGET: PlugBug World brings global travel to the MacBook / USB charger