usefulness
🇺🇸
/ˈjuːsflnəs/
🇬🇧
/ˈjuːsflnəs/
noun
R
how useful something is
The tool's usefulness became clear when it helped us finish the job quickly.
当这个工具帮助我们快速完成工作时，它的实用性变得显而易见。
translation
有用性
词形变化
Plural
usefulnesses