what good is ... idiom (also what's the good of ...)
…有什么用
a way of asking what the purpose of (doing) something is
What good is sitting alone in your room? 一个人孤零零地在家坐着又有什么用？
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。