Speaking off the cuff and with emotion, Pope John Paul II described his disappointment with the recent course of Western history.教皇约翰·保罗二世在即席而充满激情的讲话中说他对近代的西方历史进程感到失望。This one small event altered the course of history.这一个小事件改变了历史进程。This was an event that changed the course of history.这是一次改变了历史进程的事件。