Patent.

Tang Fei knew that if it was a world where patents were rampant, it would not move towards civilization step by step, but towards an invisible hierarchy.

What he wants is not a world where patents are rampant, so he talked about this cooking.

In the process when the people began to talk enthusiastically and discuss politics with Tang Fei, there were quarrels and arguments between them in the spiritual circle.

......

Chapter 919 Kunlun Wu is hitting in his hand, please wait a moment,

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