for all the difference something makes idiom
（表示虽然知道所做的是徒劳的）
although you know that what you are doing will not change the situation
Well, you could try apologizing to her - for all the difference it will make. 好吧，你可以试着去向她道歉，尽管没什么用。
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。