a world of difference idiom
很大差别
If there is a world of difference between two people or things, they are very different.
There's a world of difference between the service in the two hotels. 这两家宾馆的服务有着天壤之别。
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。