这里的never returning to their studies or finding it difficult to readapt to an academic ennvironment不是充当状语的,而是充当end up的宾语.
所以,不能还原成为状语从句.
译文:
年轻的成人可能以不再回去学习或很难重新适应大学环境作为结束.
And what happens if two writers both end up waiting for each other?
还有,如果两个作家都以同时互相等待作为结束,这将会发生什么?