Car, van, bus, medium truck, off-road vehicle
Xiu walked all the way and found there were a lot of cars here!
Xiaogang seemed to see Xiu's doubts and explained: "This is a famous research institute in Guandu area. The researchers working here are well paid and can afford cars."
Then Xiaogang raised his finger to some of the cars and added: "Those are used for tasks, and the ownership belongs to the research institute."
Xiaogang takes Xiu to a deeper place, and sees that Dr. Uto is directing some people to move instruments and the like to the car