"Business, buying and selling, also needs a large amount of capital to move. In turbulent times like today, it is even more necessary to trade in cash. If we buy on credit, all of Thanh Tu's food stores will have to close. When it comes to money, our country can still get it today. Currently, honeysuckle, jewels, silk, and fabrics are all filled up in the great halls, which can be exchanged for a large amount of food."