系统上的软件包越少，意味着要追踪的安全性更新越少。

Fewer packages on the system means fewer security updates to track.

youdao

在安全性更新之前，用户将无法查询以下多维数据集。

Users may not be able to query these cubes until security is updated.

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这就是安全性更新仅包括具有针对性的问题修复的原因了。

This is why security releases only contain a very small set of changes confined to the very problem that needed to be addressed.

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