81、一个入口连着一个出口，他们重叠、相连。
An inlet and an outlet, they overlap and connect.
82、早该没心没肺，不用现在撕心裂肺。
As early as the heartless, don sixinliefei.
83、有多少人的记忆，记载着那些放肆的青春。
How many people have memories, recorded the unbridled youth.
