But it will take decades to introduce a system of tradable water rights, let alone market pricing, in most poor countries.
但引进一个可交易的水权利需要几十年，别说在大多数贫困国家进行市场定价。
To create tradable water rights, Australia first drew up a baseline for water use, taking into consideration past commercial, social and environmental needs.
为了创造可交易的用水权，澳大利亚先是对用水权划了一条基准线，将过去的商业，社会和环境需求考虑进去。
To create tradable water rights, Australia first drew up a baseline for water use, taking into consideration past commercial, social and environmental needs.
为了创造可交易的用水权，澳大利亚先是对用水权划了一条基准线，将过去的商业，社会和环境需求考虑进去。
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