usefulness
🇺🇸
/ˈjuːsflnəs/
🇬🇧
/ˈjuːsflnəs/
noun
R
how useful something is
The tool's usefulness became clear when it helped us finish the job quickly.
當這個工具幫助我們快速完成工作時，它的實用性變得顯而易見。
translation
有用性
詞形變化
Plural
usefulnesses