Policy makers and researchers need comparable, systemic survey data on financial access, especially information directly from consumers, but data are costly and time consuming to collect and analyze.
决策者和研究人员需要可比较的、系统性的有关金融服务覆盖面的调查数据，尤其是直接来自消费者的信息，但数据的采集和分析是昂贵和费时的。
The time taken by the federated system is comparable to the time taken when the query is executed directly against the data source for single-source queries.
联邦服务器所花费的时间是否与直接在数据源(涉及单个数据源的查询中的数据源)上执行查询时所花的时间相当。
The time taken by the federated system is comparable to the time taken when the query is executed directly against the data source for single-source queries.
联邦服务器所花费的时间是否与直接在数据源(涉及单个数据源的查询中的数据源)上执行查询时所花的时间相当。
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