(Thanks to book friends Bamboo Dragon and 3man for their valuable opinions, I take each comment seriously. I hope other friends who like this book can also give more suggestions, your opinions are the best motivation for me to grow, thank you.)
In the City of Knowledge, falling snow often signifies the coming of the new year, so every time it snows around the end of the year, the city is filled with a joyful atmosphere. However, for some people, snowfall also means an increase in workload, like Catherine.
