Money will buy a pretty dog, but it won't buy the wag of his tail. — Josh Billings.
金钱能买到一条漂亮的狗，但是买不到它摇尾巴。——比休斯。
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。
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。
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