单双的计算方法简介：Mr. Bai walked out of the room, walked through the eaves, went up the stairs, and quickly came to the second floor opposite. He clasped his fists and bowed to report to the waiting Li Jize: Everything is ready.
Mr. Bai walked out of the room, walked through the eaves, went up the stairs, and quickly came to the second floor opposite. He clasped his fists and bowed to report to the waiting Li Jize: Everything is ready.
