He deems it indispensable for combating global poverty.
出自-2016年6月閱讀原文
The automatic lift is indispensable in skyscrapers.
出自-2013年6月閱讀原文
But policies to help workers adapt will be indispensable.
出自-2018年考研閱讀原文
"Idleness is not just a vacation, an indulgence or a vice; It is as indispensable to be brain as vitamin D is to the body...[idleness] is, paradoxically, necessary to getting any work done," he argues.