When a foreigner later came to their stall, Chang Yu-chuan told him that they were selling "Chinese grass jelly." The foreigner replied, "No, no, what you have there is Chinese Coca Cola."
不久又遇到一個外國人，張育銓告訴他「這是中國仙草」，對方連說兩個「不」字，說它是「中國可樂」，還拿出漢堡，一口漢堡一口仙草慢慢地享用。