大学英语作文：help the later generations前人种树，后人乘凉

　　As can be seen from the drawings, the father has planted a small tree thatgrows into a big one and is left to his son to enjoy.Years later, his son sits under the big tree enjoying its shade.

　　The images above are both meaningful and instructive: this man's hard work is not only for his own benefit, but also for the benefit of future generations.

　　画中可见，一位父亲种了一棵小树，这棵小树将长成参天大树，他的儿子将会从中受益。多年以后，他的儿子坐在树下享受着大树带来的阴凉。

　　上面的漫画意味深长而发人深省，栽树人的艰辛劳作不只是为了他自己，也是为了后人。