The road has changed for the better是什么用法

The road has changed for the better是什么用法 The world has changed for the better. the world has changed for the better为什么用for 还有better前为什么加the the world has changed for the better.为什么要加for和the the world has changed for the better . what has happened her 初三英语作文I have changed for the better the better the better 用法 The day when my life changed for the better was the day when 天气向好转变了:The weather has changed _____.（better） For the Road Ahead. for the road rules for the road