indispensable
adjective
uk/ˌɪn.dɪˈspen.sə.bəl/us/ˌɪn.dɪˈspen.sə.bəl/C2
Something or someone that is indispensable is so good orimportantthat you could notmanagewithout it, him, or her:
必不可少的，必需的Thisbookis an indispensableresourcefor researchers.这本书是研究者必不可少的资料。
Hislongexperienceat theUnitedNationsmakes him indispensabletothetalks.在联合国长期的工作经验使他成为谈判中不可或缺的人物。
Opposite
dispensable
necessary
- necessaryDo you have the necessary skills for the job?
- needDoes she have the skills needed for work of that sort?
- requireWill you require a wake-up call in the morning?
- mustThe meat must be cooked thoroughly.
- essentialClean water is essential for a society's health.
- fundamentalSome understanding of grammar is fundamental to learning a language.
Essential or necessary
- basically
- basis
- be a question ofdoing somethingidiom
- box ticking
- business-critical
- dependence
- elemental
- if need beidiom
- if/when push comes to shoveidiom
- incumbent
- inhere insomething
- inherent
- necessity
- need
- needed
- needful
- non-discretionary
- owe
- symbiotically
- warrant