"I have a bold, but immature, idea," A-Qiang mumbled, sitting on a plastic stool at a roadside stall, chewing on peanuts. I rolled my eyes, took a swig of ice-cold beer, and retorted irritably, "When have your ideas ever been mature?" A-Qiang, however, wasn't annoyed. He leaned closer and said mysteriously, "This time is different. I've discovered a big secret." I put down my beer and looked at him with interest. "Oh? What secret? Don't brag again." A-Qiang chuckled, pulled a crumpled piece of paper from his pocket, and unfolded it in front of me. "Look, this is what I found in the old..."