/,præktɪ'kælətɪ; ,præktɪ`kælətɪ/
n
1 [U] quality or state of being sensible and realistic 实际性; 现实性; 实用性
*He questioned the practicality of the proposal. 他对该项建议的可行性表示怀疑.
2 practicalities [pl] practical(1) matters rather thanideas 实际的事务
*We need to start discussing practicalities.我们需要着手讨论实际问题.

n
practicalities [plural]
the real facts of a situation rather than ideas about how it might be
practicalities of
　the practicalities of everyday life for someone in a wheelchair
[U]
how suitable something is, or whether it will work
　doubts about the practicality of your suggestion
　You need to think about comfort and practicality when choosing walking shoes.
[U]
the quality of being sensible and basing your plans on what you know will work