Inutility
n. 无益, 无用, 无益的物
🗣️ 情景例句
But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
Would you, please?
您肯帮忙？那太好了。
Hello, Wei Hua! Nice to meet you.
魏华，见到你也很高兴！