| 1. | Necessity is the mother of invention .
需要是发明之母。 |
| 2. | They say that necessity is the mother of invention .
人们说，需要是创造发明之母。 |
| 3. | Necessity is the mother of invention .
需要乃发明之母。 |
| 4. | In most instances, necessity is the mother of invention .
在绝大数情况下，需要是发明之母。 |
| 5. | Necessity is the mother of invention
译文：需要是发明之母。 |
| 6. | Necessity is the mother of invention , but patent right is the father
需要是发明之母，但专利权是发明之父！ |
| 7. | Necessity is the mother of invention
需要是发明之母 |
| 8. | If necessity is the mother of invention , discontent is the father of progress
如果需要是发明之母,不满足就是进步之父 |
| 9. | If necessity is the mother of invention , then self - preservation is surely one of the family matriarchs
如果需要为发明之母，那麽自保绝对是其中一位母亲。 |
| 10. | If there is a need for something to be done , someone will find a way . like they say , necessity is the mother of invention
若某件事有需求，就会有人想办法，就像人们说的需要乃发明之母。 |
