记得小学四年级时,我与一位最要好的同学为了一件小事闹了矛盾。放学回家,妈妈看我一脸的伤心,便问我发生了什么事。听完我诉说后,她把我拉到鱼缸旁,问:“你知道为什么鱼儿被困在这小小的鱼缸里却不会觉得闷吗?”我摇了摇头。“因为鱼的记忆只有七秒,七秒后它们游过的每一寸地方又都变成新的天地。”妈妈看我一脸的好奇,接着说道:“其实这就是快乐的根本,忘记以前的不 I remember the fourth grade, I and a best classmate for a trivial trouble. After school, my mother looked at my sad face and asked me what happened. After listening to me, she pulled me to the tank and asked: ”Do you know why the fish are trapped in this little tank?“ I shook my head. ”Because fish have only seven seconds of memory, every inch of the space they swim after seven seconds turns into a new world.“ ”My mom looked curious at me and went on to say:" Actually this is the very basis of happiness, Forget not before