A patent forbids others from copying an invention and makes the invention valuable in the world of business.

VOA: special.2009.05.13

Another thing is that, when once an invention is made, it tends to be copied all over the world.

另外，一旦一个发明诞生，它就会被模仿并应用于世界各地。

耶鲁公开课 - 金融市场课程节选

It's an invention of a barbarous age which a blind and ignorant population will accept only to its own vexation, hindrance, and constraint.

它是只有蛮荒时代愚昧无知的人们才会接受,以自寻烦恼，阻碍，和限制的。

耶鲁公开课 - 弥尔顿课程节选

The iPod is NOT an invention, its an MP3 player with an Apple logo.

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They filed both an invention disclosure and patent application but have not marketed the tool.

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His laboratory produced the magnetron, an invention that greatly improved the efficiency of radar.

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