1. Monotropy refers to the tendency to form a strong attachment to a single person or object.
单修是指倾向于与单个人或物体形成强烈依恋的倾向。

2. The idea of monotropy suggests that infants typically form a primary attachment to one caregiver.
单修原则的观念暗示了婴儿通常会与一个主要的照顾者形成最主要的依恋。