The disciples of the nine sects all learned arithmetic and were proficient in the art of astrology. They either flourished in the court or hid in the wild, and each was good at winning:
The upper three sects are good at observing the sky and the qi, the flat three sects are good at operations and calculations, and the lower three sects are good at miscellaneous studies, and they are also more worldly than the upper and lower sects.
There were frequent wars and the current situation was turbulent.
Song Ling of the Song family was involved in a dispute over a painting...
Looking back over the years, there is always someone who will accompany me...
HE
ps: The article involves tomb robbing