Usefulness
01
有用性, 效率
the quality of being able to provide benefit, value, or help
例子
The usefulness of this tool becomes apparent when you need to make precise cuts.
当你需要进行精确切割时，这个工具的有用性就变得明显了。
She questioned the usefulness of the advice she had received.
她质疑她所收到建议的有用性。
词汇家族
use
Noun
useful
Adjective
usefulness
Noun
unusefulness
Noun
unusefulness
Noun
