Who is the article about?
Yang Hongwei
How does he travel to and from work?
the bus
What have migrants come to be called?
the "ant tribe"
Who created this term?
Chinese sociologists
How many of them graduated from famous universities?
nearly 30 percent
What percentage had incomes that didn't meet expectations?
66 percent
Who predicted an increasingly challenging job market?
Lian Si
How many are in Beijing alone?
about 100,000
How much did Yang's room cost?
550 yuan (81 US dollars)
How much of his salary was this amount?
about one-fifth