然而，如果Youtube是年度发明，谁又是年度发明之父(母)呢？
But if YouTube is the Invention of the Year, who exactly invented it?
需要是发明之母，但专利权是发明之父！——乔什·比林斯。
Necessity is the mother of invention, but patent right is the father. - Josh Billings.
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。
If necessity is the mother of invention, discontent is the father of progress.
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