And there I was, also preparing to get off at the Atlantic Avenue, with nothing to take care of —not even the usual customary book under my arm.

破折號后面的是補充說明的意思嗎？是否可以這么理解：he did not take care of even the usual customary book under my arm.



破折號后為插入語，是對nothing的補充說明。

And there I was, also preparing to get off at the Atlantic Avenue, with nothing to take care of —not even the usual customary book under my arm.

我就站在那里，也籌備在Atlantic大街下車，什么心都不需要操——甚至也不操心一般習慣性的夾在我腋下的書。