Lines of single_doc/NH-02.md from check-in c269f4bc1e that are changed by the sequence of edits moving toward check-in 827568f715:

                         1: % NH-02
                         2: 
                         3: # 规避副作用
                         4: 
c269f4bc1e 2023-07-07    5: 选用具有强制性效果的卡片，比如「娱乐决斗」。