I don't know why, but I just long Ed to stand by his side. Grandpa is hard of hearing as well as our communication problem which made it difficult for us to understand each other.

我几乎每天跟着外公，我也不知为什么，我就想跟在他的身边，本来外公就听不清楚，再加上语言障碍，我们很难交流。

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The new section contains five subsections: Communication, Hearing, Language Development, Literacy & Learning, and Organization.

这个新的区域包括了五个子单元：沟通，倾听，语言学习，读写学习，还有组织。

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Hearing devices help improve communication by amplifying sound.

助听系统通过放大声音来改善交流。

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Initial product developments will commence concurrently on gaming and home theater headphones, as well as, communication and hearing health devices where the combination of proprietary technologies is anticipated to create a new standard of performance in this growing market.

ENGADGET: AblePlanet preps a gaming headset with smart haptics, we preview the tech inside (hands-on)

On the other side of the tent Dennis Drayna, from the National Institute on Deafness and Other Communication Disorders, in Maryland, was studying hearing.

ECONOMIST: Twin research