sine qua non
noun[S]
formaluk/ˌsɪn.eɪ kwɑː ˈnəʊn/us/ˌsɪn.eɪ kwɑː ˈnoʊn/anecessaryconditionwithout which something is notpossible:
必要条件,必备条件Aninterestinchildrenis asinequanonofteaching.喜欢孩子是从事教育工作的必要条件。
Important and essential things
- -based
- amenity
- bare
- be-all
- big league
- focal point
- foreground
- fulcrum
- fundament
- grandaddy
- heavyweight
- hot button
- imperative
- name
- need
- nexus
- nub
- nucleus
- the grandaddy ofsomethingidiom
- the name of the gameidiom