“水足迹”这一概念的提出是为了帮助消费者和商家明白为了制造诸如一件纯毛T恤或者是一罐玉米的商品所需耗费的真实水量。

The water footprint is designed to help consumers and businesses understand just how much water is required to make products like a cotton T-shirt or a can of corn.

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用这种方法计量，英国消费者只需真正为他们3%的用水量负责。

Using this methodology, UK consumers see only about 3% of the water usage they are responsible for.

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但是布兰德瑞都特说，仅仅告诉消费者水量是不够的，还得告诉他们这些水是从哪里来的。

But according to Ridoutt, just counting up the gallons of water isn't enough, because consumers should also know where that water came from.

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