要看具体情况,the next day是第二天．是间接引语里表示tommorrow的： e.g. Tom says: i want to go to America tommorrow. Mary told me that Tom would to America the next day. 加个very表示特指,就是,正是,等等,有强调组,如：You are the very person i want to find.你就是我要找的那个人． 所以这边the very next day可以根据上下文解释成：就是在第二天,正好在第二天,就在隔天,表示说话者的一种强调．
