Inutility
n. 无益, 无用, 无益的物
🗣️ 情景例句
When you're ready to get off, remember to press the button near your seat.
当你要下车时，记得按你座位旁的按钮。
Who is this?I don't recognize your voice.
你是谁?我不认出你的声音。
But I don't understand.
这我就不明白了。