1
the practicality of sth/doing sth
She questioned the practicality of taking the train.
她对坐火车是否切实可行提出了质疑。
实用性；实际性
practicalities — plural of practicality
先理解核心含义，再看它在真实句子里的用法。
实用性；实际性
the quality of being practical; concern with actual use rather than theory
She questioned the practicality of taking the train.
她对坐火车是否切实可行提出了质疑。
切合实际或可行的状态。
The state of being practical or feasible.
关注实际应用而非理论可能性
concerned with actual use rather than theoretical possibilities
The practicality of the foldable bike makes it a great choice for city commuters.
这辆折叠自行车的实用性使其成为城市通勤者的绝佳选择。
We need to discuss the practicalities of opening a second branch before we commit.
在承诺之前，我们需要讨论开设第二家分店的实际问题。
She chose the apartment for its practicality rather than its beautiful view.
她选择这套公寓是因为它的实用性，而不是因为它美丽的景色。
She questioned the practicality of taking the train.
她对坐火车是否切实可行提出了质疑。
I chose this bag for practicality.
我选这个包是出于实用。
单数 practicality 多指“实际性、可行性”；复数 practicalities 则指某一决定或行动所涉及的具体细节或实际问题。
The doctor explained the practicalities of the treatment.
医生解释了治疗的种种实际问题。
Not this
The practical of this solution is what matters.
Use this
The practicality of this solution is what matters.
practical 是形容词，不能作主语中心名词；要表示“实际性/实用性”这个名词概念，须用名词 practicality。
Not this
I doubt the practicality about this plan.
Use this
I doubt the practicality of this plan.
practicality 后面接被评价的对象时用介词 of 表示所属/关涉关系，不用 about。应说 the practicality of this plan（这个计划的实用性）。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
考虑……的实用性
We need to consider the practicality of the plan before we invest more money.
在投入更多资金之前，我们需要考虑该计划的实用性。
为实用起见
For practicality, the manual was written in simple language.
为实用起见，手册是用简单语言编写的。
兼顾实用性和成本
The engineer had to balance practicality and cost when choosing materials.
工程师选择材料时必须兼顾实用性和成本。
实用性方面的顾虑
There are practicality concerns about using this technology in rural areas.
对于在农村地区使用这项技术，存在实用性方面的顾虑。
Use practicalities naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象农民挑农具，只选好用的，不问理论，这就是 practicality（实用性）。
语域：neutral 常见场景：everyday conversation、business writing、evaluating plans practicality 属中性常用词，通常用于谈论某事物是否实用、可行，既可在日常交谈中使用，也可出现在正式写作中。
表示抽象意义“实际性”时不可数；表示具体的实际问题时常用复数 practicalities。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.