真比假(为了说明的方便,我们用数字30/50来代替结果的好坏)
真实事件 The result has turned 30.
假想事件 If it had been done otherwise/differently, the result would have turned 50.
而30劣于50,即用worse,合并后形成比较关系,得
The result has turned worse than it would have done (otherwise/differently).