Free as water, free as air.

自由的如水，释放如空气。

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We can no longer afford to consider water a virtually free resource of which we can use as much as we like in any way we want.

我们不能再认为水是一种我们可以以任何我们想要的方式使用的几乎免费的资源。

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"Team Deziree" Free at Last Voyages, the Search for Clean Water in a Swamp: Mission Statement for Safari as a Way of Life...

要在最后的旅程里获得自由——在沼泽寻找洁净水源：让行走成为生命的常态…探寻已知或未知的领域，无论路途遥远还是短暂。

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Offering free tap water as at U.S. eateries is extremely rare.

WSJ: Brewing Controversy Over Proposal to Make Water Cheaper Than Beer

Do not go for gimmicks such as free water sports.

BBC: Sailing Turkey's Mediterranean coast

Yet the state still gives water away free to farmers, who grow such thirsty crops as sugar cane.

ECONOMIST: Water