practicality是什么意思？

The traditional view of such moments is that they constitute a charming but irrelevant byproduct of youth— something to be pushed aside to make room for more important qualities, like perseverance ( ' , 坚持不懈 ), obligation, and practicality.

The traditional view of such moments is that they constitute a charming but irrelevant byproduct of youth — something to be pushed aside to make room for more important qualities, like perseverance, obligation, and practicality.

That could be another explanation for why companies seem to be strengthening their talk of the practicality of their devices.

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.