But keep in mind, they're only for adults with self-perceived mild to moderate hearing loss.
但请记住,它们仅适用于自认为有轻度至中度听力损失的成年人。
Life Noggin
WELL, BY SOME DEFINITIONS, DEAF USUALLY IMPLIES HAVING LITTLE OR NO FUNCTIONAL HEARING, WHILE HARD OF HEARING USUALLY IMPLIES THAT A PERSON HAS MILD-TO-MODERATE HEARING LOSS.
Some deaf children with moderate hearing loss can be integrated into schools for the normal children with preferential seating in the class; giving them benches closer to teachers, so that they can hear the teacher louder.