Once you lose to hearing loss because of noise exposure, there's no going back.

一旦你的听力是因为噪音而受损，那就永远无法恢复了。

Hair-cell damage is really common: noise exposure, ordinary aging, illness.

毛细胞损伤非常普遍：噪音暴露、普通老化、疾病。

A quick disclaimer - in this episode, we're specifically focusing on mild to moderate, noise-induced hearing loss that's caused by repeated noise exposure over time.

快速免责声明 - 在本集中，我们特别关注由于长期反复接触噪音而导致的轻度至中度噪音引起的听力损失。

And that's takeaway three - reduce your noise exposure and always wear protection if you know you're going to be at a loud event, like a concert.

这就是要点三——减少噪音暴露，如果您知道自己要参加音乐会等喧闹的活动，请务必佩戴防护装备。