"I know." Qin Huai interrupted Zheng Siyuan excitedly, "But that's just the difficulty. Every dish, every snack has its difficulty, but now we've found a way."
"We figured this way out ourselves!" Qin Huai's eyes were gleaming as he said this, "For the first time, I have this feeling that I know the answer is right in front of me. I can almost grasp the solution, but I'm always just one step away from figuring it out."
"For such a long time, I couldn't work it out. I tried many formulas, doubted the formulas, doubted my own abilities, and even suspected that the problem itself was wrong."
"Until this afternoon, and it wasn't even in the amusement park."
