第一、二章提供了公共供应和财政联邦主义的理论分析。
The first two chapters provided the theories of public provision and fiscal federalism.
公用水供应官员和消费者都需要共同保护安全的饮用水的公共供应。
Both public water supply officials and consumers need to protect the public supply of safe drinking water.
知识是否有价值、以及在科研领域的公共投资是否取得了回报,部分取决于研究的成果是否能够广泛地供应给人们,以及人们是否能够感受到这些研究成果。
The value of knowledge and the return on the public investment in research depends, in part, upon wide distribution and ready access.
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