yesterdayness

例句：

1. 1. She was so happy to see her old friends again yesterday.
   她很高兴昨天再次见到她的老朋友。
2. 2.The movie is set in the past and tells a story about yesterday's events.
   这部电影发生在过去，讲述了关于昨天事件的故事。
3. 3.We often talk about our past experiences, trying to understand what happened yesterday.
   我们经常谈论我们的过去经历，试图理解昨天发生了什么。