睡前故事

Sometimes, we want to smile, but have to put on a sad expression;sometimes, we want to cry, but must be extruded rigid smile.有时候，我们想笑，却必须要装出悲伤的神情；有时候，我们想哭，却必须要挤出僵硬的笑容。
我哒哒的马蹄声是美丽的错误，我不是归人，是个过客。。。