When is the cloud opening and the rain falling, and the spring is deep?

Clouds, clouds, rain and spring are as follows:

This sentence comes from the first 19 signs of the Northern Emperor's Spirit: Sex and rain are good, and its original sentence is like this:

_ Sex is coming, and it is always advisable to seek wealth. Arguing for the court, the nobles are happy to ask for their own happiness, so please ask experts to explain.

This means that the future will be prosperous and everything will be on the rational side. Don't look for nobles, nobles will naturally come to help.