Everything is already setup to make use of this, all you need to do is start using it using standard Rails caching patterns. For example, I make extensive use of fragment caching in ERB templates where entire rendered blocks of HTML are stored in the cache. This can be something simple like caching for a specific time period:
Not the Weakest Link，更多细节参见新收录的资料
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（二）按照其他纳税人最近时期销售同类货物、服务、无形资产或者不动产的平均价格确定；