| classification:Science fiction |
| author:Diary of a Housewife |
| state:in the series |
| update:(2025-12-10 04:06:57) |
Blue bricks are expensive, red bricks are cheaper.,"By the way, old man, do you burn coal here How much does coal cost, is it expensive","Then I'll order 20,000 blue bricks and 20,000 red bricks. Uncle, give me a discount."。