英语语法分析

There are two approaches to addressing this cache staleness

解决缓存过时问题有两种方法

There is one big difference here: We have to be careful about staleness.

这里有一个主要差别：必须注意时效性。

For each application, there is an acceptable level of "staleness" in the data.

对于每个应用程序，其数据都有一个可接受的“过时”程度。