加拿大算法公式大神吧

简介：Lin Anqin was bending down to wipe the water stains on the coffee table when she heard Su Can ask: It seems that the mobile food cart is ready, have they taken it away? It's okay, they'll be fine later. As she was talking, the doorbell rang. Su Can got up and opened the door. It was Su Chengye and Wang Xuewei, sweating profusely but with happy smiles on their faces.