| classification:Science fiction |
| author:Diary of a Housewife |
| state:in the series |
| update:(2026-01-25 23:40:23) |
Blue bricks are expensive, red bricks are cheaper.,"Nope, planning to go this way and come back later.",He pulled out another thin slate and showed it to everyone: "There are also these kinds. The foreman at the quarry said that these slates can be used for heating floors."。