A lone child sitting alone in a public lounge. He is reading out loud his homework for today. One plus one is two. Two minus one is one. Six minus three is three. What an adorable sight. Like clockwork, the child is there every single day. Rehearsing his multiplication charts and reading them aloud to his parents over dinner. His mother corrects him every now and then, while the father nods solemnly. 对外经济贸易大学 The mother is a sort-of janitor for the international student’s dormitory. By "sort-of" I mean she's not legally or officially employed by the university. She works daily, cleaning after the students, restocking toiletries, and attending to various needs of the staff. By night, she uses the public kitchens and prepares dinner for herself, her husband, and their son. She stores the leftovers in the communal fridge. Where does she live then? In the basement level, with the other members of the staff and her own family. They live in cramped ten-by-ten rooms with...