Some people say step pricing can be used to protect a basic water allowance for drinking, cooking and washing.

有些人说阶梯式定价可用来保护用于饮用、做饭和洗濯的基本用水补贴。

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Some say step pricing can be used to protect a basic water allowance for drinking, cooking and washing - either for very low prices or for free, as it is in South Africa.

有些人说无论原本水价是极其低廉还是免费，可以通过逐步涨价来为饮用，做饭和洗濯给予基本的用水补助保护，就像南非做的那样。

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De Clieu had his priorities right and gave most of his allowance of precious water to the coffee plant.

厄·德·克利深明大义，把自己的大部分宝贵的水用来浇咖啡树。

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So when the 27-year-old director built a new office for his family companies -- Rathi Transpower and Polybond India, which make rubber components and water-pump parts -- executives got a meal allowance instead of a waitered room.

CNN: Recasting the Mind