Imitating living beings is an interesting phenomenon. Most scientists like to do some subtle work on robots. It's difficult to imitate humans, especially when trying to make some cold metal objects mimic us once they're plugged in. Why are people so tireless in this pursuit? Is it for fame and glory, or a sense of accomplishment? Actually, I don't know either, just as I am still here writing articles for everyone late at night. And thus, the curtain rises on the egg speaker.