usefulness

漢語翻譯

英文解釋：

名詞 usefulness:

1. the quality of being of practical use
   同義詞：utility

例句：

1. Consider the postage stamp: its usefulness consist in the ability to stick to one thing till it get there.
   想想那郵票吧：其用處在於它能粘住一樣東西直至達到目的為止。
2. A regulation that has outlived its usefulness.
   已經沒用卻仍然存在的規則
3. When he retired he felt that he had outlived his usefulness.
   他退休後覺得自己年老無用了。
4. Impairment of the usefulness or value of person or property; harm.
   損害，破壞對有用或有價值的人或財產的破壞; 傷害