Once you've got that concept it's just getting used to the "staircasing", that is nesting functions in nested functions.
一旦你理解了这个概念，就会习惯它带来的“阶梯效应”，功能会逐层嵌套实现。
Once you've got that concept it's just getting used to the "staircasing", that is nesting functions in nested functions.
一旦你理解了这个概念，就会习惯它带来的“阶梯效应”，功能会逐层嵌套实现。
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