Sake is made by learning the method of rice wine.
The difference is that Japanese people sell it at a good price in order to make it beautiful. Before brewing, the most nutritious layer of rice flour is washed off, and then clear wine is brewed.
So the nutrition is much lower than that of rice wine, but it is beautiful, but the Japanese call it high-grade wine, and the selling price is much higher.
In modern society, Japan.