The weather was good that day, quite windy and sunny. Lin Xiaojiao felt quite refreshed after finishing her morning class.
It was on this day that Lin Xiaojiao and Shen Laoshi had their first head-to-head confrontation in their lives.
As the saying goes, a murder caused by express delivery.
Why does Mao Express cause murder?
Because a long time later, Lin Xiaojiao's son asked her where he came from?
That was her answer.
Although that is not the direct cause, it is the fundamental cause.