You are adding the following functions (plus some obvious extensions).
将增加以下功能(以及一些扩展)。
I leave a couple of rather obvious extensions to this tool as an exercise for the reader.
我给这个工具留下了两个非常明显的扩展，作为读者的练习。
I leave a couple of rather obvious extensions to this tool as an exercise for the reader.
我给这个工具留下了两个非常明显的扩展，作为读者的练习。
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