usand copper coins, or a string of coins, can be exchanged for one tael of silver.The production cost of a bar of soap is one tael of silver, and it can be sold for five times the profit. Each bar of...gh to eat and drink, time to rest."Facing Li Chen's slightly unrestrained gaze, Zhao Rui knew what was about to happen.Now, she not only shows no resistance, but is full of anticipation and joy."This...