subplot

While the main story focuses on the detective's case, a subplot explores his difficult relationship with his daughter.

(Chinese) 虽然主线故事聚焦于侦探的案件，但副线情节探讨了他与女儿之间艰难的关系。

The movie was criticized for having too many subplots that distracted from the central conflict.

(Chinese) 这部电影因拥有过多的副线情节而受到批评，这些情节分散了人们对核心冲突的注意力。