| classification:Science fiction |
| author:Diary of a Housewife |
| state:in the series |
| update:(2026-01-23 09:40:57) |
Qing bricks cost one copper coin each, and red bricks cost one copper coin each.,Old Two Yan let out a sly smile, revealing a set of white teeth.,He was going to the quarry to see if they also used copper coins for transactions. If so, he would take his silver and exchange it for copper coins first, then use the copper coins to pay, making a profit on the difference.。