An industry often appears upside down, indicating that the trend of this industry is good. In a depressed industry, employees' wages must be boiled in warm water, which is difficult to change. However, in enterprises with upside-down salaries and rapid development, the problem of low salaries of old employees will be solved.

Because over time, experienced employees will change jobs one after another, and the cost will be unbearable for enterprises, so most enterprises will choose collective salary adjustment after a delay.

Inverted introduction:

Inverted, pointing upside down; Sagging. It also means that the same listed company is listed on two different exchanges, and the share prices of the two places are different. The share price of the same listed company has always been higher than that of the Hong Kong Stock Exchange, otherwise, it is called upside down.

Lu Jingui, Ji of Nakano, said: "Set up a carriage, put a piece of wood on it, which is 20 feet long and has a crossbar on its head. At one end of the wood, there are two geisha, or birds, or hang upside down."