He deems it indispensable for combating global poverty.
出自-2016年6月阅读原文
The automatic lift is indispensable in skyscrapers.
出自-2013年6月阅读原文
柯林斯高阶英汉双解学习词典释义
ADJ-GRADED
必不可少的;不可或缺的
If you say that someone or something is indispensable, you mean that they are absolutely essential and other people or things cannot function without them.