What they do is, they make a cell phone, go down to the stall, they sell some, they look at the other kids' stuff, go up, make a couple thousand more, go down.
他们所做的就是制造手机， 然后下楼到货摊上去卖， 他们也看其它的孩子用品，然后上楼， 又多做几千个，然后再下楼去卖。