Today there is a thing called ethyl acetate and water, and the two are related, and ethyl acetate and water are the main ones. When ethyl acetate encounters water, it may appear to change. Water is the source of life, and it is also the medium of many changes. Ethyl acetate in water, or in response to hydrolysis, molecular disassembly, each forming a new substance. The encounter of the two is like the combination of heaven and earth, and the transformation mechanism is hidden, and the changes in between are wonderful. Either something different is born, or it takes on the shape of a new state, because the two touch each other, triggering the wonder of creation. Its change also follows the laws of nature, which cannot be changed by human strength. Only by following its own nature and observing its change can we know the mystery.