not essential not indispensable be as well without it as with it may or may not be needed
Widespread political and economic disarray threatens to make the constitution meaningless.
四处蔓延的政治和经济混乱可能会使宪法变得可有可无。
—— 柯林斯例句They looked on music and art lessons as dispensable.
他们认为音乐课和美术课是可有可无的。
—— 给力词典精选A holiday isn´t an optional extra. In this stressful, frantic world it´s a must.
休假并非可有可无。在这个紧张而忙碌的世界,它是必不可少的。
—— 柯林斯例句Take a look at our posts and is not an option?
看看自己的岗位是不是可有可无的?
—— 给力词典精选Thus they will not be superfluous as some people think they are.
因此,工会再不是有些人所认为的那种可有可无的组织了。
—— 给力词典精选