The father buys,the son bigs,the grandchild sells,and his son thigs.
父买、子修建、孙儿卖,重孙街上当乞丐。
You can imagine how useful this is, particularly in countries like China and Japan, which use written characters not letters.
你可以想像得到,特别是在中国和日本这些使用文字而不是字母的国家,这是多么有用处!