| 例句 |
sine qua nonnoun something necessary, indispensable, or unavoidablean extensive grounding in mathematics is a sine qua non for a career in architecture condition, demand, essential, must, must-have, necessary, necessity, need, needful, requirement, requisite precondition, prerequisiteadvantage, edge, plusdesideration, desideratum, wish nonessential, nonnecessity amenity, comfort, extra, extravagance, frill, indulgence, luxury, superfluity, surplus, surplusage in 1602 |