change of the variables 改变变量法
If you want different results, change the variables.
如果你想要不同的结果,改变那些变量就是了。
Notice that when you change the variables on one equivalence class, that change cascades to the other classes.
注意,当您改变一个等价类的变量时,这个变化会串联影响到其他等价类。
Democratic elections are scientific experiments: every couple of years you carefully alter the variables with an election and observe the results. If you want different results, change the variables.
每隔几年,你就会在某个选举中谨慎地改变一些变量,然后观察结果。
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