The way to lower the policy execution cost mainly lies in a sound policy system, strengthening the coordination between the policy systems and optimizing the policy resources.
降低政策执行成本的路径主要在于健全政策体制，加强政策系统之间的协调，实现政策资源的优化。
Because of the importance and the vulnerability of grain, every country adopts various policies to protect and support the grain industry, and grain subsidy is one the policy systems.
由于粮食的重要性以及粮食产业的弱质性，各国均采取不同的政策来保护和支持粮食产业，粮食补贴就是其中的一种。
Because of the importance and the vulnerability of grain, every country adopts various policies to protect and support the grain industry, and grain subsidy is one the policy systems.
由于粮食的重要性以及粮食产业的弱质性，各国均采取不同的政策来保护和支持粮食产业，粮食补贴就是其中的一种。
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