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.

“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。

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I bought a white cotton T-shirt and some paints, and I painted a lion on the front.

我买了白色棉t恤和一些油漆，我画的狮子前面。

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Sixty percent of the carbon emissions generated by a simple cotton T-shirt comes from the 25 washes and machine dryings it will require, the Cambridge study found.

剑桥大学研究发现，一件简单的棉制T恤的60%的二氧化碳排放量，来自于它所经过的25次洗涤和机器烘干。

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Plank noticed that, after a practice or a game, the cotton T-shirt that he and the other players wore under their pads would be heavy, soaked with sweat.

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Researchers at the University of South Carolina are working on developing a cotton t-shirt that could charge mobile gadgets.

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To get even more color on her market, Jarecki posted research surveys at her company's site and inserted them into the dye packaging. (Buyers who filled them out received a free "My Betty Is Ready" black cotton T-shirt.) About 1, 000 responses told a surprising story: Less than 5% of her customer base came from the 18- to 25-year-old demographic, and half lived in non-urban zones like Nebraska, Washington and Arkansas.

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