Isn't drinking poison to quench thirst an ancient toy in China? How did it become invented by foreigners?

I didn't register the invention patent, and foreigners also invented the toy of drinking bird, which can only be said to be a coincidence. For example, if you write science fiction, others write science fiction, and the content of the final work is very similar, but their work cannot be said to be plagiarism. Both Liu Xiang and Bolt will start from the runway and do the same thing. Can you say that Liu Xiang and Bolt copied from each other? Do you have to run backwards alone, with both hands and feet? Here it is. Product Crash Today, you have an idea to produce a product. At the same time, someone from a foreign country thousands of miles away came up with this product similar to yours. Can you say that he just copied from you? They also say that you copied from others. Foreigners invented this kind of toy and registered a patent. They didn't know in advance that China had invented the same toy. It was an accident. You cook, others cook. Didn't you say you wouldn't allow others to eat rice if others copied it? This is the same reason.