As far as the eye could see the tundra of the plateau was flecked with black streaks.

在目光所及之处，高原的苔原上布满了黑色的条纹。

I knew that nothing would change for the better, and perhaps this black streak would last for a very long time.

我知道一切都不会变好 也许这种黑色的条纹会持续很长一段时间。