The worldbuilding in this passage is so rich and I love how the author builds the entire social hierarchy through tiny environmental details.
Let me start with the housing situation because it's a perfect microcosm of the whole system. The average factory workers live in shared dormitories. The Xu family gets a small courtyard because Xu Weishan is a high-ranking engineer. And then at the back of the complex, the even more senior engineers and factory directors live in little Western-style villas. This is the entire class structure of 1970s Chinese industrial society laid out in three sentences. Jiang Wanwan doesn't even go upstairs to He Qingqing's apartment because she knows the parents will mock her — she sits on the steps and eats boiled eggs instead. The spatial dynamics tell you everything about social standing and shame.
Then there's the empty lot between the factory complex and the elementary school, described as having "a few rusty pull-up bars, charmingly known as the school's playground." That word charmingly is doing so much work. It's ironic, it's sad, it's exactly the kind of place where two teenage girls would have a secret conversation away from prying eyes.
But the scene that really stuck with me is the one at Jiang Wanwan's house at night. She's sitting alone in her room, it's gotten dark outside, and from the courtyard she can hear her brother cheering, her stepsister scolding him, and her stepfather's hearty laugh. Along with that comes the smell of roast chicken. She swallows. She's excluded from that warmth, excluded from that food, and her mind goes to the one person who showed her any kindness — the boy with the roast chicken. The sensory details here are devastating. The sounds of a family that isn't hers, the smell of food she didn't get to eat, and the image of a handsome face she can't stop thinking about. It's cinematic. I could see the camera panning from the dark window to the lit courtyard, from her lonely figure to the warm golden light of the family dinner. And then cut to her dream, where she's the overbearing CEO and the roast chicken is the object of her desire. The author is weaving together so many threads — class, family, hunger, loneliness, attraction — and it all comes down to a girl sitting alone in a dark room smelling someone else's dinner.