Some possible key elements could be her relationships. For example, her relationship with her parents, siblings, and friends. If it was a story set during a war, her relationship with soldiers or those affected by the war could be important. Also, her dreams and aspirations. Whether she wanted to be a career woman, a mother, or something else entirely would shape the story. And of course, the historical events of the 20th century that influenced her life, like the two World Wars, the Cold War, or the technological advancements that changed the way people lived.
I don't have enough information about this specific '20th century girl real story'. But generally, key elements could include the girl's family background, her education (or lack of it), and the social environment she was in.
Key elements of the '20th century girl real story' might involve her cultural identity. If she was from a minority group, her story could be about how she dealt with discrimination and tried to preserve her cultural heritage. Her economic situation is also important. If she was from a wealthy family, she might have had different opportunities compared to a girl from a poor family. Another key element could be her access to education. In the 20th century, education for girls was not always equal. If she had the chance to study, it could have opened up new doors for her, such as getting involved in politics or the sciences, which were mostly male - dominated fields at that time.
Chapter 589, "Green Tea! Green Tea! Damn Green Tea!", is the clearest early answer because it turns Yu's situation into a concrete plot event.
Chapter 670, "Sister Will Support You", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. Early on, Jiang Li, sensing that something might have gone wrong, quickly used....
Chapter 679, "Got Money to Buy Coffee but No Money to Pay Me Back, Huh?!", is the clearest early answer because it turns Shao Changqing's situation into a concrete plot event.
Chapter 686, "Why Not Make Him Mute?", is the clearest early answer because it turns Miss Jiang's situation into a concrete plot event.
Chapter 639, "Young Master Gu, Does Your Family Need a Dog?", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event. The chapter gives readers a real answer by opening on Half an hour later, Jiang Li pushed open the door and walked out.
Chapter 403, "Neither Jiang Lijiang nor Jiang Yan Came?", is the clearest early answer because it turns Dragon Ridge Island's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Now our helicopter has arrived above the harbor in Yan City, and...
Chapter 385, "We Are Just Friends", is the clearest early answer because it turns Days's situation into a concrete plot event. It opens with Miss Su was somewhat surprised to learn that Jiang Li was going to... and closes on After finishing the tea, Miss Su began to wander around Shang....
Chapter 747, "How did Jiang Dapusa come to this?", is the clearest early answer because it turns Yet's situation into a concrete plot event.
Chapter 298, "Turning the World Upside Down", is the clearest early answer because it turns Jiang Shixu's situation into a concrete plot event.
Chapter 599, "The Weather has Cooled Down, the Merchant Should Go Bankrupt", is the clearest early answer because it turns Shang Shaobai's situation into a concrete plot event.