张爷爷开了个小商店,他很和气,但是不识字。有人来买东西没带钱,他就在墙上画个货物样子做记号。一天,邻居王老汉买了五个鸡蛋,没带钱,张爷爷就在墙上画了5个圈圈。三天后王老汉把钱还了,张爷爷就在五个圈圈上画了一竖杠,表示帐消了。到了年底结帐时,张爷爷说王老汉欠了他一串 Grandpa Zhang opened a small shop. He was kind but he could not read. When someone came to buy something without money, he painted a cargo on the wall to mark it. One day, neighbor Wang Laohan bought five eggs. Without money, Grandpa Zhang painted five circles on the wall. Three days later, Wang Laohan returned the money. Grandpa Zhang painted a vertical bar in five circles, indicating that the account had disappeared. At the end of the checkout, Grandpa Zhang said that Wang Laohan owed him a string of