Hearing loss can be an accumulative effect.

听力损失是一种累积效应。

It's only when you look at its properties on really big cosmological length scales, billions of light-years across, that you start to see the accumulative effects of the dark energy.

只有当你在真的很大的宇宙尺度下才能看到它的性质，数十亿光年的跨度，你开始看到暗能量的累积影响。