单双公式的规律的例子简介：While they were talking, several people were led by the receptionist of Qinglong Restaurant to a private room. They saw a middle-aged man with an arrogant expression sitting there, and a girl stood behind him.
While they were talking, several people were led by the receptionist of Qinglong Restaurant to a private room. They saw a middle-aged man with an arrogant expression sitting there, and a girl stood behind him.
