Taicang is synonymous with a millet.

Pinyin: tài cāng yī sù

Description: Taicang: a large granary located in the capital in ancient times. A millet in the granary. A metaphor for a very small number in a very large number.

Source: Zhuangzi Qiushui: "China is in the sea, unlike the rice in Taicang?"

For example, sentence making: Fortunately, Gu Yushan had the vision of the God of Wealth that day. He lost 7,200 yuan, which was just nine Niu Yi hairs and a drop in Taicang. ★ Qing Wu Ren Jian's "Strange Status Quo Seen in Twenty Years" Back to Sixty-third

Synonym: A drop in the ocean, nine Niu Yi hairs.