事实上,Cobb只知道自杀可能脱离Limbo,但是会到哪儿是不清楚的。这就是为什么他会念那首:"You're waiting for a train, a train that will take you far away. You know where you hope this train will take you, but you can't be sure. Yet it doesn't matter.“(可以理解为你在等一列火车,能把你载到远方,你知道自己希望去那儿,但是你没法确定,不过没关系。离开这里就好)