Floor-Standing Box

"Jiang Zheng, is this the gold mine you mentioned?" Jiang Zheng, a student from a certain university, traveled back to the primitive era and had clearly figured out the origins of all the gold mines and rare gems on this road. The young man in front of him questioned, "We haven't started testing yet, why are you in a hurry?" Half an hour later, the detection machine made a harsh sound, and the young man's face gradually turned red and warm... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.