The state tracking code is highly repetitive, error prone and, generally speaking, a chore to write and maintain.
状态跟踪代码的重复性很高，而且很容易出错，一般而言，编写和维护该部分是很繁琐的。
The state tracking code is highly repetitive, error prone and, generally speaking, a chore to write and maintain.
状态跟踪代码的重复性很高，而且很容易出错，一般而言，编写和维护该部分是很繁琐的。
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