Every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day, every day
【每日一字】算：神机妙算无遗策