There's a thematic parallel between Yao Qingqing and Yao Qian that I can't stop thinking about. Both are women in a society that treats them as commodities. Both have been 'discarded' — Yao Qingqing by Shen Shupei, Yao Qian by her own family's broken engagement. But their responses are completely opposite, and that's where the story gets interesting.
Yao Qingqing's line — 'I'm a discarded wife. Public opinion is against me. If I don't work hard, I won't survive' — is the thesis statement of the whole novel. She accepts her position and builds from there. No bitterness, no wallowing. Just action. The loudspeaker she mimics to learn Mandarin is a perfect symbol for this — she's taking the very tool of state propaganda and using it for her own escape. She's learning the language of the powerful so she can navigate beyond the village.
Yao Qian, on the other hand, represents the danger of knowing the future but still making selfish choices. Her rebirth should theoretically make her wiser, but instead it makes her more calculating. She's willing to throw Sheng Yunze over like trash and grab a new target. The fact that she's pregnant with Shen Shupei's child and immediately pivots to marrying someone else says everything about her moral compass. She's not trying to change her fate — she's trying to game it.
The enamel mug vs. the ceramic award mug detail also struck me. Yao Qingqing gets a large enamel mug as a reward for hosting — practical, durable, useful. Yao Qian is reduced to tears at someone else's doorstep. One woman builds, the other burns.