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。

youdao

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。

youdao

The research results show that at a premise of prior consideration for irrigation mode of higher guarantee rate of basic water usage, farmer will choose an irrigation mode of minimum irrigation fee.

研究结果显示，在优先考虑基本用水保障率较高的灌溉方式的前提下，农户会选择一种灌溉费用最小的灌溉方式；

youdao

The Millennium Development Goals for two thousand fifteen call for a fifty percent decrease in the number of people without safe drinking water and basic sanitation.

VOA: special.2010.04.05

"They need shelter,clean water and basic sanitation facilities.

VOA: standard.2009.08.21

Yet billions of people lack basic water services, and millions die each year from water-related diseases.

FORBES: Is Water A Better Investment Than Oil?

We constantly underestimate the role of wetlands as basic water management elements within the supply and regulation process upon which humanity depends.

UNESCO: MEDIA SERVICES

Our first task was, at that time, making sure that people who were in refugee camps in Darfur had access to basic water, food, other necessities of life.

WHITEHOUSE: Your Interview with the President