Whitcomb did not call his invention zipper but everybody says that he was Father of Zipper.
惠特科姆没有把他的发明称为拉链，但每个人都说他是拉链之父。
Necessity is the mother of invention, but patent right is the father. - Josh Billings.
需要是发明之母，但专利权是发明之父！——乔什·比林斯。
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。
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。
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