play apart (in)：(在…中)扮演角色；(在…中) 起作用
还有个意思就是分开来玩!
据个例子The school is annual when the journey,the male woman student of junior high school differs because of interest,always play apart.
学校一年一度旅行时,初中的男女生因为兴趣不同,总是分开来玩.