The tree-zipper in Listing 14 implements the functions that enable the core collection types to allow any Clojure data structure built from those types to become a zipper: branch?
The accounting internationalization behavior has been the core problem to the financial trade, especially banking, as the important branch in the economic field.
金融行业尤其是银行业作为经济领域内的重要分支，其会计国际化行为日益受到关注。
3
This is a good indicator to show that the core is not doing lots of "useful" work since it is working on the wrong branch of instruction stream.