但是，倘若将整个经济体中这样的效益累加起来，他们对经济增长将起到显著的促进作用。
But if they were added up across an entire economy, they could have a significant effect on growth.
世卫组织制定了技术准则，促进及时并有成本效益地使用现有预防和控制干预措施。
WHO has developed technical norms for the cost-effective and timely use of available prevention and control interventions.
加强卫生系统并促进以有效、有利于穷人和具有成本效益的政策及战略为侧重点的干预措施。
Strengthening health systems and promoting interventions focusing on policies and strategies that work, are pro-poor and cost-effective.
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