将“cost-efficient"翻译成中文

Regional, subregional and interregional groupings provided avenues for cooperation and led to more effective and cost-efficient development practices.

区域、次区域和区域间组织为合作提供了途径,并促成了更为有效与合算的发展行动。

This called for new efforts and fresh thinking in the coming period to deliver this mandate in an effective and cost-efficient manner.

这就需要在今后的阶段中做出新的努力和开拓新的思路,以便以有效和有成本效益的方式完成这项任务。