（經(jīng)歷首句）Never could I forget the educational experience about my friend that he learned to help others after a lesson.
（暗藏伏筆的開端）One day on a bus, he refused to give up the priority seat for an elder. However, little did he know that this small detail led him to a miserable consequence.
（一波三折的高潮）When playing basketball later that day, he accidentally broke his anckle. So painful was he that he wanted a seat when taking a bus. Unfortunally, he had to stand for the whole ride with the walking stick because all seats were occupied.
（恍然大悟的結(jié)局）Not until then did he finally come to realize his previous rudeness the importance of giving a supporting hand to those in need.
