it means that the market value or purchasing power of money has declined. And currency devaluation

I'm an economics student, but I personally feel that the whole world is now facing inflation, such as the appreciation of gold. I suggest that you don't leave too much savings funds to invest as much as possible, such as buying insurance and buying a house.

lz said that catering advice should not be made. Theoretically speaking, the decline of consumption power directly affects the profit of your catering, and inflation has not increased the demand rate of the people. Therefore, of course, this is a macro point. If you have a good relationship and a good business mind, I think everything is risky.