阶梯倍投最佳方案简介：After walking out of the dormitory, just as he was about to go out, a voice rang out from beside Qin Fen, "Hello, hello, my name is Li Shan. Are you also planning to go out? Let's go together!"
After walking out of the dormitory, just as he was about to go out, a voice rang out from beside Qin Fen, "Hello, hello, my name is Li Shan. Are you also planning to go out? Let's go together!"
