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。
词汇树
unusefulness
usefulness
useful
use
有用性, 效率
词汇树
