So we have to be very concerned about when the noise in habitats degrades the habitat enough that the animals either have to pay too much to be able to communicate, or are not able to perform critical functions.
因此我们要非常关注， 当栖息地内的噪音 对栖息地的分隔足以 让动物们不得不付出更多才能沟通 或是它们无法进行某些关键功能。