The volume adjustment knob on my TV is broken. 我電視機上的音量調節開關壞了。
This narrowing of the gap between detectability and discomfort is the reason most hearing aid users end large amounts of time adjusting the volume. 為了縮小可檢聲訊與刺耳聲訊之間的差距,大多數助聽器用戶把大量時間耗在了音量調節上。