Do you still remember you, me and him in those years? When you walk on the campus of the past, all the memories will come to your mind. Some are happy, some are full of helplessness, and some are gripping your heart. Maybe you will laugh at yourself for being so stupid and doing those stupid things at the time, but now you think back with a smile and reluctance. Do you still remember that deskmate, that best friend, or that friend? . .