Australian farmers have the right to use a certain amount of water free.

澳大利亚农民就拥有一定量的免费用水。

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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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A massive oak claims its ground for 200 years or more, outcompeting all other would-be canopy trees by casting a dense shade and drawing up any free water in the soil.

200年或更久的时间里，一棵巨大的橡树占据了它的土地，投下浓密的树荫，吸收土壤中所有自由水分，打败了所有其他可能成为树冠的树木。

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(CANNED HEAT - "GOING UP COUNTRY") And this was how the New York Times described Woodstock: "Bethel townspeople gazed in awe at the streams of hippies, but they murmured 'PEACE' to the visitors, offered free water and returned smiles.

VOA: special.2009.08.10

Water is free and people rely on groups like the Red Cross to distribute it.

VOA: standard.2010.02.01

On Tuesday,private water companies agreed to provide free clean drinking water to the relief effort.

VOA: standard.2010.01.26

The state government confesses it can no longer supply potable water free of charge, and has introduced monthly fixed charges - but only residents in affluent neighbourhoods, like Victoria Island, Lekki and Ikoyi, pay.

BBC: NEWS | Africa | Lagos: Africa's party capital

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

ECONOMIST: Water

So the introduction of plants that grow with less water would free up much of that essential resource for other uses.

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