save和spare作为节省有什么区别
In order that we wouldn't miss the train,we took a taxi and hurried to the airport with forty minutes to ------
答案选择是spare,感觉也是,但为何不选择save?
We'll save a lot of time if we go by car.
这是郎文字典上的原句，可见时间也可以省，40分钟当然也可以省以供将来使用．spare重在表示节省以做其他的意思，这里两种用法都可以吧