necessity is the mother of invention
需要是发明之母
书面/口语·强调需求激发创造力
英文释义
Creativity and resourcefulness are often stimulated by a need or problem.
例句
When our car broke down in the middle of nowhere, necessity was the mother of invention—we fixed it with a shoelace.
典故来源
源自古希腊哲学家柏拉图，后由英国作家乔纳森·斯威夫特普及，强调需求推动创新。