2. The method of Ciba is actually very simple, and the raw materials needed are very primitive, and it is a traditional food that has not kept pace with the times. Why do you say that? Just like the Communist Youth League, keep pace with the times. The original green ball only has peanut and sesame stuffing, which is the favorite taste of the older generation. Now, there are red bean paste, matcha, salted egg yolk, meat floss and so on. Although it is rich in flavor, many people like the original peanut sesame stuffing best, because it is the taste of memory inheritance.