Objective To investigate the biologic effects of drinking commodity water for a long period.

目的探讨长期饮用商品水引起的生物效应。

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Water is a precious commodity that is often taken for granted in the West.

水很宝贵，但在西方人们往往意识不到这一点。

《牛津词典》

Clean water is a precious commodity in that part of the world.

在世界的那个地方，洁净的水是宝贵的东西。

《牛津词典》

And face it, the world suffers overall resource scarcity, and shortages of any critical commodity (like water) translate into scarcity of them all.

FORBES: Barrick's Reverse Midas Touch And Other Golden Rules

's attitude toward plants that have been genetically improved to conserve water--a commodity which is, of course, critical for agriculture--is illustrative.

FORBES: Commentary

The conversation is always water is a human right and should be given to everyone free, or water is a scarce commodity and should be fully privatized, when, in truth, we have a world in which 1.3 billion people have no access to safe drinking water.

FORBES: Transcript: Jacqueline Novogratz