单数和双数的规律是什么

简介：Two Jinyi guards searched their bodies and made sure they had no sharp weapons. Then they stepped on wooden stools and boarded the carriage one after another. Tian Shouxin, who was standing in front of the carriage, smiled at them and extended his hands to make a gesture of invitation. The two knelt on the carriage. After a while, under the leadership of Tian Shouxin, he lowered his head and entered the carriage, kneeling down again.