Smith touches on construction methods, the revolutionary invention of the automatic lift, the practicalities of living in the sky and the likelihood that, as cities become more crowded, apartment living will become the norm.
出自-2013年6月閱讀原文
柯林斯高階英漢雙解學習詞典釋義
N-VAR
實際方面；實際情況
The practicalities of a situation are the practical aspects of it, as opposed to its theoretical aspects.
例句
Decisions about your children should be based on the practicalities of everyday life.有關孩子們的決定，應該從日常生活的實際情況出發。