SAs are built to be just good enough to get a particular job done.
SA构建得再好也只能完成一件特定的工作。
When it comes to SAs, data quality is a key issue.
就SA 而言，数据质量是个重要问题。
A typical SAS system consists of the following four basic components.
典型的SAS系统由以下四个基本组件组成。
A typical SAS system consists of the following four basic components.
典型的SAS系统由以下四个基本组件组成。
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