FAQs About the word usefulness

用處

the quality of being of practical useThe quality or state of being useful; utility; serviceableness; advantage.

利用,使用,實用工具,優勢,援助,利益,幫助,行駛里程,服務,可用性

無用,無價值,不適用,不當性

usefully => 有用的, useful => 有用, used-car lot => 二手車市場, used-car => 二手車, used to => 曾經,